After 20 weeks of gestation, peripheral insulin resistance
increases insulin requirements so that it is not unusual for a pregnant woman to require 2-3 times as much insulin as she did prior to pregnancy
. This requirement of insulin increases further if woman falls ill during pregnancy.
carries the highest risk of fetal mortality in the third trimester thought in part due to the extreme insulin resistance in these patients and insulin requirments to treat DKA that are nearly twice as high as in the second trimester.
Frequent monitoring allows appropriate insulin dosage adjustments.
It is very important to have a tight blood sugar control for the prevention of complications such as fetal malformations in the first trimester, macrosomia in the second and third trimesters, and neonatal metabolic abnormalities.
Consult your doctor and get the dose of insulin increased accordingly.