Start of Pregnancy Week 21 : Day 127 with 139 days to go

Your sleeping position during your pregnancy is very important. Sleeping on your left side, with one leg crossed over the other and with a pillow between your legs will maximize blood flow to your baby, reduce swelling and improve the collection and elimination of waste.

Baby development this week:

The babys legs will approach their final relative proportions this week.
By the end of this week your baby will almost be covered by laguno, but will concentrate around the head neck and face.
By the time this week ends your babys heart can be detected by a stethoscope, as your babys heart becomes stronger and stronger.
At this stage of your pregnancy the amniotic fluid is replaced by your body every three hours
Arm and leg movement will increase now as the muscles strengthen and bones become stronger

Interesting Pregnancy Fact : Blood flows through the umbilical cord at 4 miles per hour, and a complete round trip through your baby takes only 30 seconds