Why does a pregnant women gain so much weight?

Weight Distribution in the Average Woman

• 7 ½ lbs is about how much the baby will weigh by the end of your
• pregnancy.
• 1 ½ lbs is how much the placenta weighs.
• 4 lbs is attributed to increased fluid volume. 2 lbs is the weight of the uterus.
• 2 lbs is the weight of the breast tissue.
• 4 lbs is because of increased blood volume.
• 7 lbs is attributed to maternal stores of fat, protein, and other nutrients.
• 2 lbs for amniotic fluid.
• Total: 30 lbs