BabyCenter on MSN

Fetal development: When do your baby's sex organs develop?

The external genitals start out as several small bulges that form between your baby's legs at 4 to 5 weeks of pregnancy.
PregaTips on MSN

Here’s What Week 23 Of Your Pregnancy Will Look Like

Welcome to week 23 of pregnancy. At this phase of gestation, your foetus is going through vigorous fetal growth and maternal transformations. From rapid neurological development to lung strengthening ...