Weight gain in pregnancy

In early weeks, the patient may loose weight because of nausea and vomiting. The weight gain is progressive until the last 1-2 week. 

The total weight gain during the course of pregnancy for a healthy woman is average 12 kg.

Reproductive weight gain - 6 kg
                Net weight gain - 6 kg


Reproductive weight gain -

   Fetus - 3.3 kg

   Placenta - 0.6 kg
   Liquor - 0.8 kg

   Uterus - 0.9 kg
   Breast - 0.4 kg

Net weight gain -

   Increase in blood volume - 1.3 kg
   Increase in extra cellular fluid (ECF) - 1.2 kg
   Accumulation of fat and protein - 3.5 kg

Body water metabolism -

• During pregnancy, the amount of water retained at term is about 6.5 liter. 
• Pregnancy is a state of hypervolemia.

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• Chadwick's sign in pregnancy
• Events in first stage of labour
• Haemorrhage in early pregnancy
• HIV infection in pregnancy