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Pregnancy and obesity: Know the risks

How could obesity affect my baby?

Having a high BMI during pregnancy has been linked to higher risks of various health conditions for a baby, including:

  • Growth troubles in a fetus called fetal growth restriction.
  • Conditions present at birth, also called congenital conditions.
  • A larger than average size at birth, also called fetal macrosomia.
  • Childhood asthma.
  • Childhood obesity.
  • Trouble with thinking, learning, memory, judgment or decision-making.
  • Taking longer than is typical to reach some milestones in development, also known as developmental delays.

But factors other than a high BMI during pregnancy also might play roles in these health conditions.