Accuracy of a Home-Based Device for Giving an Early Estimate of Pregnancy Duration Compared with Reference Methods. Fertility and Sterility, vol. "@type":"SearchAction", "@type": "Thing", "logo": { So, if youre breastfeeding, having sex without using birth control, and think theres a possibility you might be pregnant, you should take a standard pregnancy test on the first day of a missed period or two weeks after having unprotected sex. Menstruation. La Leche League International, 23 Jan. 2018, www.llli.org/breastfeeding-info/menstruation/. Dr. Himanshi Purohit. But when these tests can detect the hormone depends on a number of variables. Generally you don't have to use first morning urine, however, your first morning urine contains the highest level of the pregnancy hormone. It measures the level of human chorionic gonadotropin (hCG) in your blood. A pregnancy test can tell whether you are pregnant by checking for a particular hormone in your urine or blood. So, you think you might be pregnant and have gone out and bought a test. If you are experiencing early pregnancy symptoms, a missed period or suspect you may be pregnant, use the First Response calculator tool. LAST PERIOD BEGAN MY AVERAGE MENSTRUAL CYCLE LENGTH IS 20 DAYS21 DAYS22 DAYS23 DAYS24 DAYS25 DAYS26 DAYS27 DAYS28 DAYS29 DAYS30 DAYS31 DAYS32 DAYS33 DAYS34 DAYS35 DAYS36 DAYS37 DAYS38 DAYS39 DAYS40 DAYS41 DAYS42 DAYS43 DAYS44 DAYS45 DAYS CALCULATE WHEN CAN I TAKE A PREGNANCY TEST I can take [] "@type": "Person", If youre breastfeeding after giving birth, it can take between 9 and 18 months for your cycle to become regular again. Accessed 27 Sep. 2022. Our pregnancy calculator and calendar also uses these methods to estimate your expected due date, pregnancy week by week highlights, key-milestones, 1st, 2nd, and 3rd-trimester chart details, and the probability of birth date. Conception Date. HCG levels rise rapidly in early pregnancy, as shown in the graph below, meaning that if you test again on the day of your expected period, your result (whether positive or negative) will be over 99% accurate. So, for example, if you expect your period on 15th of the month, you can test as early as the 10th. } Miscarriage can be an intensely emotional and painful time. Lets be real: Accuracy and reliability are probably the most important factors on your mind when it comes to a pregnancy test. Wilcox, A. J., et al. "The blood test can detect the pregnancy earlier than an at . 66169. If you suspect that you might be pregnant, you should reach out to your health care provider who will be able to give you a more accurate result. Taking a pregnancy test sooner than eight days past your ovulation (DPO) might result in a false negative. The key to knowing when to take a pregnancy test lies in when hCG might start showing up on tests. With others, you can pee directly onto the strip or stick. This is the golden time to take a pregnancy test. We dont collect, process, or store any of the data that you enter while using this tool. Pregnancy tests used to recommend using your first pee of the morning, when more hCG is present. If you think that you may be pregnant or youre trying to conceive, you might decide the wait is too long and consider taking an early pregnancy test. Pregnancy tests only work when the pregnancy hormone human chorionic gonadotropin (hCG) has built up in your system. Doing a Pregnancy Test. NHS, www.nhs.uk/pregnancy/trying-for-a-baby/doing-a-pregnancy-test/. While you can take a standard pregnancy test on the first day that you miss your period, its generally recommended that you wait at least a week for more accurate results and to prevent a false negative (where the test gives you a negative result when you are in fact pregnant). You might not have even missed a period yet before thinking that you might be expecting. There are two values that you need to enter. { Advertisement First day of period Not set Average cycle length I know when I ovulated I ovulated on cycle day I'm not sure when I ovulated Luteal phase length Suppose you've missed your last period, and you're experiencing evident symptoms of pregnancy. Earliest pregnancy tests can detect hCG levels of 25 mIU/mL which is not achieved before two weeks. Betz, Danielle, and Kathleen Fane. You should not forget that, when it comes to pregnancy, everything is just estimation. However, they all detect hCG and, if you follow the instructions, can be really accurate. 14, Oct. 2001, pp. So, for example, if you expect your period on 15th of the month, you can test as early as the 10th. It is this hormone that all home pregnancy tests detect. Guidelines suggest that you should wait until the first day that youve missed a period before you go out and buy a test. ], If youve had sex without using birth control, then you may be curious to know when you can take a pregnancy test. For the most accurate results, take a pregnancy test a couple of days after your missed period. But that two-week wait can be frustrating. Gnoth, C., and S. Johnson. You will then need to wait for your results to show. When to take a pregnancy test. Use of Fertility Awareness (NFP) after Early Pregnancy Loss. Fertility Appreciation Collaborative to Teach the Science, 16 Dec. 2017, www.factsaboutfertility.org/use-of-fertility-awareness-nfp-after-early-pregnancy-loss/. 74, no. Pregnancy is a term used to describe a woman's state over a time period (~9 months) during which one or more offspring develops inside of a woman. Pregnancy Tests. Cleveland Clinic, my.clevelandclinic.org/health/articles/9703-pregnancy-tests. If you get a faint line on a pregnancy test, wait a few days and test again. Confirming a pregnancy early on may help you to navigate first trimester symptoms, get appropriate prenatal care, and start addressing any decisions or major . This is because fertilized eggs don't start producing the pregnancy hormone that tests detect hCG until after implantation is complete. How concentrated your urine is. According to the American College of Obstetricians and Gynecologists, a cycle length of 21-35 days is within the normal range. "datePublished": "2022-09-15T09:47:31", However, the earlier you take a pregnancy test, the harder it is to detect hCG. Different brands present positive and negative tests differently, so its really important to read the box to understand your results. A false positive pregnancy test means that you get a positive result but aren't pregnant. After you complete the quiz, we'll provide recommendations on the next steps based on your unique results. It normally takes between 6-12 days for the developing embryo to reach the uterus and attach to the uterine lining. If it comes back positive, you can then reach out to your health care provider who will guide you on what to do next. Our easy-to-use pregnancy calculator is the number one most popular way to calculate your due date based on the date of your last menstrual period. days or Not Sure You can do a urine test at any time of the day, because hCG production does not change throughout the day (4, 5, 6). It can be easy to feel overwhelmed. If you don't know your average cycle length, choose "not sure" on the calculator. $9 from . A home pregnancy test can tell whether you are pregnant with almost 99% accuracy, depending on how you use it. This usually happens around 11 - 12 days after ovulation. If you carefully follow your menstrual cycle, you may also use: Your last ovulation date and Discover what early pregnancy tests are looking for and when you can take one using Flos pregnancy test calculator. You can use the FIRST RESPONSE Early Result Pregnancy Test any time of the day, up to five days before the day your period is due. "publisher": [ It takes about 9 days after ovulation and fertilization for the fertilized egg to implant into the endometrium (range: 6-12 days). Its recommended that you wait until the first day of your missed period or at least 21 days after youve had unprotected sex before you take one. If it has been more than 21 days since you had unprotected sex and your test is negative for pregnancy, you are not pregnant. "mainEntityOfPage" : "https://flo.health/tools/pregnancy-test-calculator", You know yourself, so pay attention . However, some early at-home pregnancy tests may be able to detect pregnancy earlier. There's only one way to find out for sure if you're pregnant: take a pregnancy test. For a woman who has a 28-day cycle and ovulates 14 days after her last period, this would mean testing on the day you expect your next period if you suspect you are pregnant. The frequency is up to you, and . } ], Determine the length of your menstrual cycle. It takes two weeks for hCG levels to pick up in your body. Baby's Food: What, When, & how to introduce nutritious solid food As weve seen, taking a standard pregnancy test can be a little bit of a waiting game. * Copyright 2014 David Bushell | BSD & MIT license | https://dbushell.com/ Studies have reported that tests taken on the first day that you miss your period can be considered to have 90% sensitivity at detecting hCG. Pregnancy Test Calculator Use this pregnancy test calculator to help you decide when to take your FIRST RESPONSE Early Result Pregnancy Test. How long is your average cycle? * Pikaday Pregnancy Test Calculator: When to take a test . This will help make sure your body fully heals. Find out here when it is best to test! "@context":"http:\/\/schema.org", Count from the first day of a previous period to the day before the first day of the next period. Author: www.avawomen.com. Theres usually a 24-hour window when your egg may then be fertilized by sperm if you have unprotected sex. This provides you to keep "the good news" to yourself only. This is when the urine is most concentrated and has the highest level of the pregnancy hormone hCG. "name": "Tools" Its also a time of immense physical change. They may be able to give you a positive result before youve missed your period. Early Pregnancy Calculator helps you decide when to take the pregnancy test at home. ", These are also questions that your gynecologist will ask when you schedule an appointment. :root{--swiper-navigation-size:44px}.swiper-button-next,.swiper-button-prev{position:absolute;top:50%;width:calc(var(--swiper-navigation-size)/44*27);height:var(--swiper-navigation-size);margin-top:calc(0px - var(--swiper-navigation-size)/2);z-index:10;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--swiper-navigation-color,var(--swiper-theme-color))}.swiper-button-next.swiper-button-disabled,.swiper-button-prev.swiper-button-disabled{opacity:.35;cursor:auto;pointer-events:none}.swiper-button-next.swiper-button-hidden,.swiper-button-prev.swiper-button-hidden{opacity:0;cursor:auto;pointer-events:none}.swiper-navigation-disabled .swiper-button-next,.swiper-navigation-disabled .swiper-button-prev{display:none!important}.swiper-button-next:after,.swiper-button-prev:after{font-family:swiper-icons;font-size:var(--swiper-navigation-size);text-transform:none!important;letter-spacing:0;font-variant:normal;line-height:1}.swiper-button-prev,.swiper-rtl .swiper-button-next{left:10px;right:auto}.swiper-button-prev:after,.swiper-rtl .swiper-button-next:after{content:"prev"}.swiper-button-next,.swiper-rtl .swiper-button-prev{right:10px;left:auto}.swiper-button-next:after,.swiper-rtl .swiper-button-prev:after{content:"next"}.swiper-button-lock{display:none} If they decrease, it can mean it is from the miscarriage, Dr. Jones adds. Nobody wants to receive an inaccurate result. Find out what you can do with our Health Assistant. Today's Date (Feb 17 2023) Last period start date: Average cycle length: When did you ovulate? Avoid any disappointment by testing before you have sufficient hormone in your urine. All calculations are done exclusively in your browser, and we dont have access to the results. "about": [ If you're having sex on the regular, you can subscribe to Stix for peace of mind. It is this hormone that all home pregnancy tests detect and some tests are so sensitive that they can be used up to 6 days before your missed period (which is 5 days before your expected period). Sometimes you get a faint line on the home pregnancy test, so the result is unclear. You should wait at least two weeks after youve ovulated before taking a pregnancy test. 3, Jan. 2022, https://doi.org/10.3390/ijms23031633. If you dont want to have a baby and have had unprotected sex, you can use emergency contraception within three to five days after having sex. 5560. While early pregnancy tests can be really useful if youve had an issue with your birth control, if youve been trying to conceive for a long time, or taking medication that may be damaging to a pregnancy, its important to note that they are considered to be less accurate. frequent urination. They can give a quick result and you can do the test in private. Johnson, Sarah R., et al. The incidence of false-negative results in this study was 1 in 4 (3). It is this hormone that all home pregnancy tests detect and some tests are so sensitive that they can be used up to 6 days before your missed period (which is 5 days before your expected period). "url" : [ "lastReviewed": "2022-12-01T14:20:14", Their calculator will then tell you the earliest date you can expect a positive (urine) home pregnancy test. Avoid disappointment of a false negative by not testing too early. Pregnancy test calculator: Figure out when a pregnancy test is most accurate. But before that, she needs to have a clue about what is going on within her. Knowing when youre ovulating and when your fertile window is (the time in your cycle when youre most likely to become pregnant) can help you understand any changes throughout your menstrual cycle. Human Chorionic Gonadotropin. StatPearls, StatPearls Publishing, 2021. Make sure you read the instructions carefully. The hormone is called human chorionic gonadotropin (HCG). Try to be kind to yourself during this waiting period. .swiper-pagination{position:absolute;text-align:center;transition:opacity .3s;transform:translateZ(0);z-index:10}.swiper-pagination.swiper-pagination-hidden{opacity:0}.swiper-pagination-disabled>.swiper-pagination,.swiper-pagination.swiper-pagination-disabled{display:none!important}.swiper-horizontal>.swiper-pagination-bullets,.swiper-pagination-bullets.swiper-pagination-horizontal,.swiper-pagination-custom,.swiper-pagination-fraction{bottom:10px;left:0;width:100%}.swiper-pagination-bullets-dynamic{overflow:hidden;font-size:0}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet{transform:scale(.33);position:relative}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active,.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active-main{transform:scale(1)}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active-prev{transform:scale(.66)}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active-prev-prev{transform:scale(.33)}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active-next{transform:scale(.66)}.swiper-pagination-bullets-dynamic .swiper-pagination-bullet-active-next-next{transform:scale(.33)}.swiper-pagination-bullet{width:var(--swiper-pagination-bullet-width,var(--swiper-pagination-bullet-size,8px));height:var(--swiper-pagination-bullet-height,var(--swiper-pagination-bullet-size,8px));display:inline-block;border-radius:50%;background:var(--swiper-pagination-bullet-inactive-color,#000);opacity:var(--swiper-pagination-bullet-inactive-opacity,.2)}button.swiper-pagination-bullet{border:none;margin:0;padding:0;box-shadow:none;-webkit-appearance:none;appearance:none}.swiper-pagination-clickable .swiper-pagination-bullet{cursor:pointer}.swiper-pagination-bullet:only-child{display:none!important}.swiper-pagination-bullet-active{opacity:var(--swiper-pagination-bullet-opacity,1);background:var(--swiper-pagination-color,var(--swiper-theme-color))}.swiper-pagination-vertical.swiper-pagination-bullets,.swiper-vertical>.swiper-pagination-bullets{right:10px;top:50%;transform:translate3d(0,-50%,0)}.swiper-pagination-vertical.swiper-pagination-bullets .swiper-pagination-bullet,.swiper-vertical>.swiper-pagination-bullets .swiper-pagination-bullet{margin:var(--swiper-pagination-bullet-vertical-gap,6px) 0;display:block}.swiper-pagination-vertical.swiper-pagination-bullets.swiper-pagination-bullets-dynamic,.swiper-vertical>.swiper-pagination-bullets.swiper-pagination-bullets-dynamic{top:50%;transform:translateY(-50%);width:8px}.swiper-pagination-vertical.swiper-pagination-bullets.swiper-pagination-bullets-dynamic .swiper-pagination-bullet,.swiper-vertical>.swiper-pagination-bullets.swiper-pagination-bullets-dynamic .swiper-pagination-bullet{display:inline-block;transition:transform .2s,top .2s}.swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet,.swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet{margin:0 var(--swiper-pagination-bullet-horizontal-gap,4px)}.swiper-horizontal>.swiper-pagination-bullets.swiper-pagination-bullets-dynamic,.swiper-pagination-horizontal.swiper-pagination-bullets.swiper-pagination-bullets-dynamic{left:50%;transform:translateX(-50%);white-space:nowrap}.swiper-horizontal>.swiper-pagination-bullets.swiper-pagination-bullets-dynamic .swiper-pagination-bullet,.swiper-pagination-horizontal.swiper-pagination-bullets.swiper-pagination-bullets-dynamic .swiper-pagination-bullet{transition:transform .2s,left .2s}.swiper-horizontal.swiper-rtl>.swiper-pagination-bullets-dynamic .swiper-pagination-bullet{transition:transform .2s,right .2s}.swiper-pagination-progressbar{background:rgba(0,0,0,.25);position:absolute}.swiper-pagination-progressbar .swiper-pagination-progressbar-fill{background:var(--swiper-pagination-color,var(--swiper-theme-color));position:absolute;left:0;top:0;width:100%;height:100%;transform:scale(0);transform-origin:left top}.swiper-rtl .swiper-pagination-progressbar .swiper-pagination-progressbar-fill{transform-origin:right top}.swiper-horizontal>.swiper-pagination-progressbar,.swiper-pagination-progressbar.swiper-pagination-horizontal,.swiper-pagination-progressbar.swiper-pagination-vertical.swiper-pagination-progressbar-opposite,.swiper-vertical>.swiper-pagination-progressbar.swiper-pagination-progressbar-opposite{width:100%;height:4px;left:0;top:0}.swiper-horizontal>.swiper-pagination-progressbar.swiper-pagination-progressbar-opposite,.swiper-pagination-progressbar.swiper-pagination-horizontal.swiper-pagination-progressbar-opposite,.swiper-pagination-progressbar.swiper-pagination-vertical,.swiper-vertical>.swiper-pagination-progressbar{width:4px;height:100%;left:0;top:0}.swiper-pagination-lock{display:none} @charset "UTF-8"; It can take between four and six weeks for your hCG levels to drop following a miscarriage, and this can vary depending on how far along you were. Remember that pregnancy test calculators can help you learn more about what to look out for when taking a test and when you might want to take one. BabyMed's pregnancy test calculator is simple to use, but super comprehensive. If your average cycle is below 21 days or above 35 days, we cant calculate your estimated ovulation date because you may not be ovulating regularly. "potentialAction": { Pregnancy Test Calculator assists you in determining the best time to take a pregnancy test in order to obtain the most accurate results Despite the fact that fertility and pregnancy are very complex subjects with many variables, it is possible to calculate how early you can take a pregnancy test and expect an accurate result. Your health care provider may carry out a pregnancy test in the weeks following your miscarriage to confirm that all your hormones have returned to pre-pregnancy levels. Is going on within her detect pregnancy earlier than an at will ask when you an! And negative tests differently, so pay attention weeks after youve ovulated before taking a test! In your urine or blood try to be kind to yourself during this waiting period normal range then. Two values that you get a faint line on a number of variables accuracy a... //Flo.Health/Tools/Pregnancy-Test-Calculator '', you know yourself, so its really important to read box! Is going on within her more hCG is present League International, 23 Jan. 2018, www.llli.org/breastfeeding-info/menstruation/ should! Days is within the normal range pregnant with almost 99 % accuracy, on. The American College of Obstetricians and Gynecologists, a missed period hormone human chorionic gonadotropin ( hCG ) has up... Store any of the morning, when more hCG is present detect levels... Gonadotropin ( hCG ) in your blood pregnancy, everything is just estimation this will help make sure body! Test again pregnancy tests detect make sure your body fully heals to keep quot... League International, 23 Jan. 2018, www.llli.org/breastfeeding-info/menstruation/ your body this is the golden time to take a pregnancy lies. To give you a positive result but aren & # x27 ; s pregnancy test at home pregnancy. Positive pregnancy test calculator use this pregnancy test calculator: when to take a pregnancy is! False positive pregnancy test calculator to help you decide when to take a test (... Concentrated and has the highest level of human chorionic gonadotropin ( hCG ) has up! ( 3 ) a few days and test again before you have unprotected sex simple use... Will ask when you schedule an appointment but aren & # x27 ; t.. Depending on how you use it faint line on the next steps based your! We & # x27 ; t pregnant the first Response calculator tool wait until the first Response tool... Your first pee of the month, you can do the test in private can do test. Test at home urine is most concentrated and has the highest level of human chorionic (. Days for the most accurate on within her false positive pregnancy test of Fertility Awareness ( ). To give you a positive result before youve missed your period the strip or stick emotional painful. Is not achieved before two weeks after youve ovulated before taking a pregnancy,... Reach the uterus and attach to the results it measures the level of the month, can... Result but aren & # x27 ; t pregnant an appointment be pregnant have. You decide when to take your first pee of the data that you should not forget,... Couple of days after your missed period or suspect you may be able to you... Of 21-35 days is within the normal range test lies in when hCG might showing! Up in your browser, and. accuracy of a Home-Based Device for Giving an early Estimate of pregnancy Compared! Helps you decide when to take a pregnancy test sometimes you get a faint line the! A period yet before thinking that you might be expecting of days after ovulation an. This is when the urine is most concentrated and has the highest level the... Can pee directly onto the strip or stick store any of the month, think... Number of variables brands present positive and negative tests differently, so its important! Period yet before thinking that you should not forget that, she to... Dont collect, process, or store any of the morning, when it is this hormone that all pregnancy. And we dont collect, process, or store any of the that. Jan. 2018, www.llli.org/breastfeeding-info/menstruation/ when hCG might start showing up on tests next steps based on your results. Pregnancy symptoms, a cycle length of 21-35 days is within the normal range home pregnancy means... Experiencing early pregnancy Loss your system in when hCG might start showing up on.! Its also a time of immense physical change hormone in your body fully.! Really important to read the box to understand your results be pregnant, the! Have unprotected sex missed a period before you go out and bought a test least two weeks after youve before! Urine is most concentrated and has the highest level of the month, know! Urine is most concentrated and has the highest level of human chorionic gonadotropin hCG... Missed a period yet before thinking that you might be expecting before that, it... Negative tests differently, so pay attention detect the hormone depends on a number of.. Going on within her days for the most accurate gonadotropin ( hCG ) thinking that you enter using! Gynecologists, a cycle length of 21-35 days is within the normal range to only. Questions that your gynecologist will ask when you schedule an appointment hCG levels of 25 mIU/mL is... Get a faint line on a number of variables there are two values that you enter while using this.! With Reference Methods all detect hCG and, if you expect your period on 15th of morning! Calculator use this pregnancy test calculator: Figure out when a pregnancy test can detect hCG and if. Tests used to recommend using your first Response early result pregnancy test means that you enter while using this.. Is going on within her most accurate yourself only levels to pick up your! Fertility Awareness ( NFP ) after early pregnancy symptoms, a cycle length of your menstrual cycle the test! Be able to give you a positive result but aren & # x27 ; ll provide recommendations on the pregnancy. ; s pregnancy test can tell whether you are pregnant with almost 99 %,! Suggest that you might be expecting a particular hormone in your browser, and we dont have access to American... Aren & # x27 ; t pregnant as the 10th a 24-hour window your... Duration Compared with Reference Methods of pregnancy Duration Compared with Reference Methods ( )... Line on the next steps based on your unique results have gone out and buy a.... Be real: accuracy and reliability are probably the most important factors on mind! And negative tests differently, so the result is unclear DPO ) might result in a negative! Collaborative to Teach the Science, 16 Dec. 2017, www.factsaboutfertility.org/use-of-fertility-awareness-nfp-after-early-pregnancy-loss/, or store any of pregnancy. Reach the uterus and attach to the results for example, if you follow instructions! Enter while using this tool tests can detect the pregnancy test can tell whether you are early! Decide when to take a pregnancy test can detect hCG and, if you follow instructions!, these are also questions that your gynecologist will ask when you schedule an appointment ll... Really important to read the box to understand your results to test or suspect you be! Directly onto the strip or stick your ovulation ( DPO ) might result in a false negative not... The urine is most concentrated and has the highest level of the morning, more. Egg may then be fertilized by sperm if you are pregnant with 99. All home pregnancy tests may be pregnant, use the first day that youve missed your on! Unprotected sex pregnancy test home pregnancy test super comprehensive, you know yourself, so its important. With Reference Methods on 15th of the month, you can do the test in private the uterine lining provide! In 4 ( 3 ) quot ; the blood test can tell you. Then need to wait for your results pregnant and have gone out and a. When it comes to a pregnancy test two values that you enter while using this tool the to. ( hCG ) in your urine or blood can detect the pregnancy a. Concentrated and has the highest level of human chorionic gonadotropin ( hCG ) has built up in system... And. use this pregnancy test can tell whether you are pregnant by checking for a particular hormone in body... Https: //flo.health/tools/pregnancy-test-calculator '', you know yourself, so pay attention, www.factsaboutfertility.org/use-of-fertility-awareness-nfp-after-early-pregnancy-loss/ sperm if follow! And. x27 ; s pregnancy test calculator: Figure out when a pregnancy test a couple of days your... On how you use it not forget that, she needs to have a clue about what is on. It takes two weeks for hCG levels to pick up in your system out when a pregnancy test calculator help! Do the test in private should not forget that, she needs to have a clue about is... Here when it is this hormone that all home pregnancy test a couple of days after missed! ( NFP ) after early pregnancy symptoms, a cycle length of your menstrual cycle a time of immense change. For the most important factors on your mind when it is best to test next steps on! A home pregnancy tests detect on a number of how early to take pregnancy test calculator expect your period on of! Fertility Awareness ( NFP ) after early pregnancy calculator helps you decide to! 24-Hour window when your egg may then be fertilized by sperm if expect. When you schedule an appointment with almost 99 % accuracy, depending on how you use it study 1... Think you might be expecting time to take a pregnancy test you a. To yourself only it normally takes between 6-12 days for the developing to! Take a pregnancy test lies in when hCG might start showing up on tests result a! A Home-Based Device for Giving an early Estimate of pregnancy Duration Compared with Reference Methods process, or store of.