True about diabetes in pregnancy are all except
Carbohydrate Metabolism in Pregnancy Normal pregnancy is characterized by mild fasting hypoglycemia, postprandial hyperglycemia, and hyperinsulinemia There is increased basal level of plasma insulin in normal pregnancy Insulin sensitivity in late normal pregnancy is 45 to 70 percent lower than that of nonpregnant women The mechanism(s) responsible for insulin resistance is not completely understood Progesterone and estrogen may act, directly or indirectly, to mediate this insensitivity Plasma levels of placental lactogen increase with gestation, and this protein hormone is characterized by growth hormone-like action Reference: William&;s Obstetrics; 24th edition; Chapter 4
Glucose challenge test is done between 24-28 weeks
50gm of sugar is taken for screening test
Insulin resistance improves with pregnancy
Diabetes control before conception is impoant to prevent malformations
Medical, surgical and gynaecological illness complicating pregnancy