---
title: When Did I Conceive?
description: While there’s no hard science to find the absolute moment of conception, there are a few ways that can help you determine when you conceived.
image: https://tpcofdillon.org/hubfs/Imported_Blog_Media/When%20did%20I%20conceive.jpg
---

[Skip to Content](https://tpcofdillon.org/helpful-advice/when-did-i-conceive#main-content)

- [Call | (843) 506-8710](tel:+18435068710)
- [Text | (843) 536-0002](sms:+18435360002)

[![Dillon County Logo](https://tpcofdillon.org/hubfs/Dillon%20County%20Logo.svg)](https://tpcofdillon.org)

- Show submenu for Services
  
  Services
  
    - [Testing & Ultrasounds](https://tpcofdillon.org/free-pregnancy-testing-ultrasounds)
    - [Considering Abortion](https://tpcofdillon.org/abortion)
    - [Parenting Support Services](https://tpcofdillon.org/prenatal-parenting-support)
    - [For Guys](https://tpcofdillon.org/for-guys)
    - [After-Abortion Care](https://tpcofdillon.org/after-abortion-care)
- Show submenu for FAQs
  
  FAQs
  
    - [First Appointment Expectations?](https://tpcofdillon.org/what-to-expect)
    - [About Abortion](https://tpcofdillon.org/abortion-faqs)
    - [About the Abortion Pill](https://tpcofdillon.org/abortion-pill-faqs)
    - [About Pregnancy](https://tpcofdillon.org/pregnancy-faqs)
    - [About STIs](https://tpcofdillon.org/pregnancy-faqs)
- [Helpful Advice](https://tpcofdillon.org/helpful-advice)

[Make Appointment](https://tpcofdillon.org/make-appointment)

Show submenu for Services

Services

Show submenu for FAQs

FAQs

[Helpful Advice](https://tpcofdillon.org/helpful-advice)

[Make Appointment](https://tpcofdillon.org/make-appointment)

# When Did I Conceive?

![When Did I Conceive?](https://tpcofdillon.org/hubfs/Imported_Blog_Media/When%20did%20I%20conceive.jpg)

Wondering When You Conceived?  If you’re pregnant and trying to understand when conception may have happened, you're not alone. While pinpointing the exact moment of conception isn’t possible, there are [ways to estimate](https://tpcofdillon.org/helpful-advice/when-did-i-conceive#calculator) it based on your body’s natural cycle.  *Need help now?* Text [843-536-0002](sms:+18435360002) to connect anonymously with a nurse at no cost.

 

## What Date Did I Conceive?

Even if you're unsure of the exact day, a good starting point is understanding your menstrual cycle. Ovulation—the time when you can become pregnant—typically happens about two weeks after the first day of your last period. This fertile window usually lasts two to three days each cycle.

By counting back from your current stage of pregnancy or using the date your last period began, you can estimate when ovulation (and possibly conception) occurred.

#### Conception Date Calculator

By calculating the time since your last period, you can get a rough idea of your ovulation window and, hence, when you conceived.

If that math is a little tricky to do in your head, there are free online calculators to help like the one below, or you can **text us at [843-536-0002](sms:+18435360002)**.

Again, *this is just a rough approximation*. It’s important to remember that each woman’s menstrual cycle and ovulation window are different. Some ovulate for longer periods of time than others, and some have theirs earlier or later during their menstrual cycle.

Also worth noting—sperm can live inside the female reproductive tract for up to five days. That means sex that happened several days before ovulation can still lead to pregnancy.1, 2

 

### Conception Calculator

First Day of Your Last Period:

Average Length of Cycles:

Calculate

 

 

### Get Help Determining Your Conception Date

Trying to calculate when you conceived can bring up a lot of questions. If you’re feeling uncertain, we’re here to help.

Text [843-536-0002](sms:+18435360002) to speak with a licensed nurse, ask questions about pregnancy, or where to schedule a free ultrasound. Every message is confidential, and support is always free.

---

 

Sources:

1. https://www.mayoclinic.org/healthy-lifestyle/getting-pregnant/expert-answers/ovulation-signs/faq-20058000

2. https://my.clevelandclinic.org/health/articles/23439-ovulation

 

![white vertical logo](https://tpcofdillon.org/hubfs/white%20vertical%20logo.svg)

 

###### Quick Links

![footer divider](https://tpcofdillon.org/hubfs/footer%20divider.svg)

- [Contact Us](https://tpcofdillon.org/contact)
- [For Donors](https://dilloncircleofhope.com)
- [Make Appointment](https://tpcofdillon.org/make-appointment)

###### Here For You

![footer divider](https://tpcofdillon.org/hubfs/footer%20divider.svg)

The Pregnancy Center of Dillon County does not offer or refer for pregnancy terminations or birth control. Information is provided as an educational service.

---

 

[300 N 4th Ave, Dillon, SC 29536](https://www.google.com/maps/place/The+Pregnancy+Center+of+Dillon+County/@34.4178912,-79.3709119,17z/data=!3m1!4b1!4m6!3m5!1s0x89aacb4f1f7ab409:0x8b5428944812a11a!8m2!3d34.4178868!4d-79.368337!16s%2Fg%2F11h0c20nv5?entry=tts&g_ep=EgoyMDI1MDgxOS4wIPu8ASoASAFQAw%3D%3D&skid=158f692b-466c-4114-84f0-940d42ceaa1c)

 © 2026 The Pregnancy Center of Dillon County. All Rights Reserved.

- [Privacy Policy](https://tpcofdillon.org/privacy-policy)

```json
{
  "@context" : "https://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Pregnancy Center of Dillon County",
    "url" : "https://tpcofdillon.org/helpful-advice/author/pregnancy-center-of-dillon-county"
  },
  "dateModified" : "2026-01-19T17:06:38.601Z",
  "datePublished" : "2025-04-23T21:28:05.000Z",
  "headline" : "When Did I Conceive?",
  "image" : [ "https://tpcofdillon.org/hubfs/Imported_Blog_Media/When%20did%20I%20conceive.jpg" ],
  "mainEntityOfPage" : {
    "@id" : "https://tpcofdillon.org/helpful-advice/when-did-i-conceive",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://tpcofdillon.org/hubfs/Dillon%20County%20Logo.svg"
    }
  }
}
```