--- title: When Did I Conceive? description: Wondering when you conceived? Use our free conception date calculator, learn how ultrasound dating works, & get free pregnancy services in Grand Forks, ND. image: https://relatecare.org/hubfs/When%20did%20I%20conceive.webp --- [Skip to Content](https://relatecare.org/helpful-advice/when-did-i-conceive#main-content) - [Call Us | (701) 746-8866](tel:+17017468866) - [Text Us | (701) 501-6644](sms:+17015016644) - [24/7 Support | (800) 712-4357](tel:+18007124357) [![Relate Care Clinic Logo-1](https://relatecare.org/hubfs/Relate%20Care%20Clinic%20Logo-1.svg)](https://relatecare.org) - [HOME](https://relatecare.org) - Show submenu for FAQs FAQs - [First Appointment Expectations](https://relatecare.org/what-to-expect) - [About Abortion](https://relatecare.org/abortion-faqs) - [About Pregnancy](https://relatecare.org/pregnancy-faqs) - [About STDs](https://relatecare.org/about-stds) - [About the Abortion Pill](https://relatecare.org/abortion-pill-faqs) - Show submenu for SERVICES SERVICES - [Considering Abortion?](https://relatecare.org/abortion) - [Pregnancy Tests](https://relatecare.org/pregnancy-testing) - [Ultrasounds](https://relatecare.org/free-ultrasounds) - [STD/STI Tests](https://relatecare.org/std-sti-testing) - [Abortion Pill Reversal](https://relatecare.org/abortion-pill-reversal) - [Support Services](https://relatecare.org/support) - [HELPFUL ADVICE](https://relatecare.org/helpful-advice) [make appointment](https://relatecare.org/make-appointment) [HOME](https://relatecare.org) Show submenu for FAQs FAQs [First Appointment Expectations](https://relatecare.org/what-to-expect) [About Abortion](https://relatecare.org/abortion-faqs) [About Pregnancy](https://relatecare.org/pregnancy-faqs) [About STDs](https://relatecare.org/about-stds) [About the Abortion Pill](https://relatecare.org/abortion-pill-faqs) Show submenu for SERVICES SERVICES [Considering Abortion?](https://relatecare.org/abortion) [Pregnancy Tests](https://relatecare.org/pregnancy-testing) [Ultrasounds](https://relatecare.org/free-ultrasounds) [STD/STI Tests](https://relatecare.org/std-sti-testing) [Abortion Pill Reversal](https://relatecare.org/abortion-pill-reversal) [Support Services](https://relatecare.org/support) [HELPFUL ADVICE](https://relatecare.org/helpful-advice) [make appointment](https://relatecare.org/make-appointment) # When Did I Conceive? ![When Did I Conceive?](https://relatecare.org/hubfs/When%20did%20I%20conceive.webp) When you find out you're pregnant, one of the first questions you may have is: When did I actually conceive? Maybe you're trying to make sense of your dates, or your last period doesn't seem to line up with when you think pregnancy happened. While there's no way to pinpoint the exact moment of conception, there are ways to estimate when it likely occurred. Here's how conception dates are calculated, what can affect the timing, and how an ultrasound may help.   > Relate Care Clinic in Grand Forks offers free pregnancy confirmation services. We schedule appointments quickly. Just text  [(701) 501-6644](sms:+17015016644) to request an appointment.   ## What Date Did I Conceive? Conception usually happens around the time of ovulation, approximately two weeks before your next period. However, the exact timing depends on your menstrual cycle. In a typical 28-day cycle, ovulation often occurs around day 14, counting from the first day of your last period. But not everyone has a 28-day cycle, and ovulation doesn't always happen on the same day each month. Because sperm can survive in the reproductive tract for up to five days, the date you had sex may also be different from the date fertilization occurred.   ## How Do I Calculate My Conception Date? One way to estimate conception is by using the first day of your last menstrual period and your average cycle length. A conception calculator uses these dates to estimate when ovulation may have occurred and identify your likely fertile window. Keep in mind that these calculations assume a fairly predictable cycle. If your periods are irregular or you ovulated earlier or later than usual, the estimate may be less accurate.   ### Conception Date Calculator Enter your information below to estimate your fertile window, ovulation date, and due date. **First Day of Your Last Period:** **Average Length of Your Cycle:** Calculate     ## Can an Ultrasound Tell Me When I Conceived? An early ultrasound can provide a more accurate estimate of how far along your pregnancy is**, but it cannot identify the exact day conception occurred.** During early pregnancy, measurements of the developing embryo can help estimate gestational age. Healthcare professionals can use that information to calculate an approximate conception timeframe. An ultrasound can also help: - Estimate how many weeks pregnant you are - Assess where the pregnancy is developing - Check for signs of pregnancy development - Clarify pregnancy dating when your menstrual cycle is irregular or your dates are uncertain     > If you live near Grand Forks,  text us to schedule a free pregnancy confirmation appointment at [(701) 501-6644](sms:+17015016644). We can help!     ## Get Personalized Answers About Your Conception Date Online calculators can give you a starting point, but they can't account for every detail of your menstrual cycle or pregnancy. At Relate Care, you can talk privately with our team about your dates, pregnancy test results, and questions about how far along you may be. We can help you gain more clarity on conception!     ###### **Sources** 1. American College of Obstetricians and Gynecologists. *Methods for Estimating the Due Date.* 2. American College of Obstetricians and Gynecologists. *Fertility Awareness-Based Methods of Family Planning.* 3. Mayo Clinic. *Fetal Ultrasound.* ![Relate Care Clinic Logo-1](https://relatecare.org/hubfs/Relate%20Care%20Clinic%20Logo-1.svg)   Get In Touch - [Contact Us](https://relatecare.org/contact) - [(701) 746-8866](tel:+17017468866) - [Support Us](https://giving.myamplify.io//app/giving/eGiving-658127) **Visit Us** 2810 17th Ave S Grand Forks, ND 58201 [Get Directions](https://www.google.com/maps/place/Relate+Care+Clinic+%7C+Grand+Forks,+ND/data=!4m2!3m1!1s0x0:0x3831ad1d36597e6f?sa=X&ved=1t:2428&ictx=111)   **Hours** Mon - Fri | 9am - 4pm **Here For You** Relate Care Clinic does not offer or refer for pregnancy terminations or birth control. Information is provided as an educational service.   [MAKE APPOINTMENT](https://relatecare.org/make-appointment)   \*Image Disclaimer: Some images feature models or have been digitally enhanced. They're simply here to help tell our story and don't represent anyone's personal or medical experience. © 2026 Relate Care Clinic. 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