Pregnancy Week 31: Development of the baby and Change to Mother

Development of the baby

1. The baby is now 40cm in length and weights 1300g. The physical development of the baby is almost complete. Baby's skin is ruddy, and his face is wrinkled.

2. The nervous system grows rapidly. Baby will now react to sound outside the womb.

3. Baby's hands and legs become more and more flexible and have more strength. Sometimes, he may kick mother's abdomen.

4. At this time, baby's head should face down.

5. If premature occurs this week, it is very likely that the baby will survive as his lung function has improved, this can help him to survive the environment outside.

Change to the expectant mother

1. Expectant mother's belly is growing. There should be an about 10kg increase in weight since pregnancy.

2. The growing uterus pressurizes stomach, heart, and lung.

3. The expectant mother will urinate more often, and feel an urgency to urinate again even after urination.

4. Secretion also increases.