1h 43min, feb 28, 2003 y - week 13 of pregnacy
Description:
The baby starts making urine, it releases it in the amniotic and swallows it and urinates it back out.The bones of the baby starts to harden, especially the bones in the head.
The skin of the baby is still transparent but will thicken soon.
Added to timeline:
Date:
1h 43min, feb 28, 2003 y
Now
~ 22 years ago