Watch our video guide to Week 3 of your pregnancy journey:
What's Happening in Week 3?
This is the week when conception typically occurs! If fertilization is successful, the sperm and egg unite to form a single cell called a zygote. This tiny cell contains all the genetic information needed to create a new human being.
The fertilized egg begins dividing rapidly as it travels down the fallopian tube toward the uterus. By the end of this week, it will be a ball of about 100 cells called a blastocyst.
Tips for Week 3
- Continue with prenatal vitamins, especially folic acid
- Avoid smoking, alcohol, and recreational drugs
- Stay hydrated and eat nutritious foods
- Get plenty of rest
Book your Early Pregnancy Scan at Ultrasound Ireland to confirm your pregnancy.
Not sure how many weeks pregnant you are?
Estimate your due date and your current week of pregnancy with our free due date calculator — it works from your last period, conception date, or IVF transfer date.
Try the Due Date CalculatorTags:pregnancyfirst-trimesterweek-by-week