A woman’s weight during her first pregnancy may affect the health of a second baby, even if everything went well the first time around, a new study has found.

It is already well established that a mother’s weight can increase the risk of complications during pregnancy. For example, if a woman is overweight or obese, this increases her risk of developing gestational diabetes.

According to US researchers, many women are not a healthy weight when they first become pregnant. They may be overweight or underweight, although more often, they are overweight.

The study found that complications may occur during a second pregnancy even if none occurred during the first pregnancy, and even if the mother is a normal weight the second time around.

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