How much weight should a 17-year-old girl with a normal BMI expect to gain during pregnancy?

A 17-year-old girl with a normal Body Mass Index (BMI) falls into the category of adolescents who are still growing and developing, which can influence their nutritional needs during pregnancy. For those with a normal BMI prior to pregnancy, the recommended weight gain is significant as it plays a crucial role in the health of both the mother and the developing fetus.

Gaining between 28-40 pounds during pregnancy is recommended for a person with a normal weight BMI because it provides the necessary nutrients and energy for fetal development along with maternal health. This recommended range supports adequate growth of the placenta, amniotic fluid, and other necessary tissues, while also helping the mother to meet her increasing energy and nutritional needs throughout pregnancy.

Proper weight gain within this range is associated with positive outcomes such as healthier birth weights and reduced risk for complications during and after delivery. It reflects the balance of supporting both the fetus's growth and the mother’s well-being during this critical time. Overall, this guidance is well-supported by health organizations and expert consensus on maternal health during pregnancy.