is a form of diabetes that begins during pregnancy and usually resolves after the baby is born.
During pregnancy, placental hormones (growth hormone, prolactin, cortisol, placental lactogen, progesterone) are produced that can block the effectiveness of insulin, leading to a relative insulin resistance. Insulin is a hormone that helps the body convert food into energy. Without insulin, glucose from the food you eat cannot enter cells, and glucose builds up in the blood.
In most women, the pancreas increases insulin production enough to offset this resistance. When the pancreas fails to keep pace, gestational diabetes occurs. In addition to causing problems for the mother, the excess glucose in the blood can cross the placenta and cause problems for the baby.
Complications for women with gestational diabetes mellitus include an increased chance of:
Gestational diabetes. National Instutute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/diabetes/types/gestational. Accessed September 12, 2017.
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