Week 3

fetal development

Hotspot: 273,525

Ovulation usually occurs 14 days after the start of your last period if you have a 28 day cycle. So ovulation is really 14 days prior to your next cycle.

Hotspot: 385,620

Once your egg(s) are fertilized, they divide and move down into your uterus. (In the case of fraternal twins, 2 eggs are fertilized. For identical twins - the embryo divides.)

Hotspot: 560,600

Hormones signal your body to stop menstruation and support your pregnancy.

WebMD Medical Reference Reviewed by Traci C. Johnson, MD on June 25, 2018
© 2018 WebMD, LLC. All rights reserved.

Get Pregnancy & Parenting Tips In Your Inbox

Doctor-approved information to keep you and your family healthy and happy.

By clicking Subscribe, I agree to the WebMD Terms & Conditions & Privacy Policy and understand that I may opt out of WebMD subscriptions at any time.