Like the other types of diabetes, the exact cause of gestational diabetes is unknown. However, experts do have some clues.
During pregnancy, the placenta, which is the organ that nourishes the growing baby, produces large amounts of various hormones. Hormones are important for the baby's growth. However, these hormones may also block insulin's action in the mother's body, causing insulin resistance. All pregnant women have some degree of insulin resistance.
Gestational diabetes usually appears around the 24th week of pregnancy. This is when the placenta begins producing large quantities of the hormones that cause insulin resistance. The period between the 24th and 28 th weeks of pregnancy is the usual time to screen for gestational diabetes.
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All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.