The following is a general guide to weight gain in pregnancy:
Breasts: 0.5 – 0.9 kg
Baby: 3.0 – 4.40 kg
Placenta: 0.5 – 0.8 kg
Amniotic fluid: 1.0 – 2.0 kg
Uterus: 0.8 – 1.0 kg
Maternal stores: 2.5 – 3.0 kg
Blood: 1.2 – 1.8 kg
Other body fluids: 1.5 – 1.8 kg
Total: 11.0 – 15.3 kg