Weight gain in pregnancy

All pregnat woman need to gain weight. Every woman is different but in general if you gain too little or too much weight it can cause problems for your or your baby (as well as making it more difficult to lose weight after the birth!). If you want a more personalized idea of what you should aim for speak to your doctor but in general the following weight gain is advised, based pn your pre pregnancy weight and on a singleton pregnancy.

Underweight 28 to 40 pounds
Normal weight 25 to 35 pounds
Overweight 15 to 25 pounds
Obese At least 15 pounds

The weight is not all your "gain" much of it is simply the baby and amnoitic fluid etc, the extra weight can be broken down like this

Baby 7 to 8 pounds
Breasts 1 to 3 pounds
uterus 2 pounds
Placenta 1 to 2 pounds
Amniotic fluid 2 pounds
Increased blood volume 3 to 4 pounds
Increased fluid volume 2 to 3 pounds
Fat stores 6 to 8 pounds