Week 19

Vernix caseosa, a greasy white substance made of lanugo, oil, and dead skin cells (yum) now coats each babies skin, shielding it from the amniotic fluid.

Babies are now the size of a mango!

Week 18

The babies are becoming amazingly mobile (compared to me, at least), passing the hours yawning, hiccupping, rolling, twisting, kicking, punching, sucking, and swallowing. And they are each finally big enough that I'll soon be able to feel their movements.

Babies are now the size of a sweet potato!

Week 17

The babies skeleton is hardening, changing from rubbery cartilage to bone, and fat is finally accumulating around it. Their umbilical cord is getting thicker and stronger, and those little fingers and toes now feature one-of-a-kind prints.

Babies are now the size of an onion!

Week 16

Tiny bones are forming in the babies ears. They can now pick up Tyler and my voice. A few more minuscule changes: Eyebrows, lashes, and hair are starting to fill in, and taste buds are forming.

Babies are now the size of an avocado!

Here's what's going on in my belly: