How much weight should I gain in pregnancy? | Mummahood

As in life, women gain weight differently during their pregnancies. Some women seem to gain weight all over, others look exactly the same with just a small bump.

There is no right or wrong and the reasons for the differences are often genetic or even down to the sex of the baby.

The guidelines recommend that women who had a ‘normal’ body mass index before pregnancy (BMI between 18.5 and 24.9) should gain around 25-35 Ibs, women who are underweight (BMI below 18.5) should aim to gain around 28 – 40 lbs and women who are overweight (BMI of 25+) should gain around 15 – 25 lbs.

It’s natural and totally healthy to put on weight during pregnancy. Much of this additional weight will come from the baby, the placenta and the amniotic fluid that surrounds your baby.

On average, by the end of your third trimester:

  • the baby will weigh 7.3lbs (3.3 kg)
  • the placenta will weigh 1.5lbs (0.7 kg)
  • the amniotic fluid will weigh 1.8lbs (0.8 kg)
  • the uterus will weigh 2lbs (1.2 kg)
  • the additional blood will weigh 2.6lbs (1.2 kg)
  • the extra fluid in your body will weigh 2.6lbs (1.2 kg)
  • your breasts will weight an extra 0.9lbs (0.4 kg)
  • your stored fat (the energy you need for breast-feeding) will weigh about 8.8lbs (4 kg)

Rather than how much you weigh, what is important is that you focus on eating a healthy and balanced diet so that you stay strong, fit and healthy for yourself and your baby.

Any pregnancy weight you gain you will lose quickly enough, but at the moment don’t worry too much about the scales. You are creating a new human being – and that is amazing!!

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