Pregnancy can lead to unpredictable weight gain or loss. You may have heard that carrying a boy will make you gain weight differently, or that you may gain more fat if you are pregnant with a girl.

Genes can indirectly influence the age at which girls have their first period by accelerating weight gain in childhood, a known risk factor for early puberty, a Cambridge-led study has found. Other ...

The guidelines for weight gain during pregnancy in obese women have long been questioned. New research supports the idea of lowering or removing the current recommendation of a weight gain of at least ...