Implantation symptoms

If you're hoping to have a baby, implantation is a big step in the process. You have an egg fertilized, it's growing, and it's burrowing into your uterus where it'll continue to develop.

Implantation even signals your body to produce all those baby-supporting hormones.

You can think of it as the official start of your pregnancy! Read on to find out more about the process.

What is implantation?

Implantation happens when the fertilized egg (called an embryo at this point) moves down the fallopian tube, enters the uterine cavity, and starts to burrow in the lining of your uterus.

What week of pregnancy is implantation?

During the trip, it continues dividing into more and more cells until it's composed of a mass of about 200 to 300 cells. At this point the embryo is called a blastocyst, and it attaches to the lining of your uterus, where the cells will divide further into your baby and the placenta.

(If it doesn't implant, you'll have a menstrual period.)

When implantation does happen, your body starts producing t

when is implantation complete

when is implantation happens