Maternal obesity during pregnancy can have a number of adverse effects on the mother and fetus. This encompasses both obesity prior to pregnancy and excessive weight gain during pregnancy. A woman who may become pregnant should attempt to control her weight.


Maternal impact of obesity during pregnancy can include:

(1) pre-eclampsia

(2) diabetes mellitus

(3) thromboembolic disease (deep vein thrombosis, pulmonary embolism)

(4) infection (cesarean section surgical site infection, other)

(5) post-partum hemorrhage

(6) heart disease


Fetal impact of maternal obesity:

(1) death (miscarriage, stillbirth, neonatal)

(2) congenital malformations

(3) premature delivery

(4) low rate of breast feeding


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