Is it possible to develop gestational diabetes after the gluclose test? i developed the symptoms after and baby was 9lbs 1oz with jaundice.

Timing is important: Ob providers do the best job they can to determine how far along a pregnancy is and to do testing at the optimal time. Sometimes, however, a condition might become apparent after a test is performed. There are other reasons for having big babies and for babies having jaundice, however. Records from the pregnancy, nursery, and pediatrician help with future pregnancy management.

Yes: You can develop it at any time during pregnancy and can develop dm2 after delivery...Depends on weight gain, diet and genetics.

Yes: The 1 hour and 3 hour "sugar" tests screen for gestational diabetes, but they are not 100% perfect, so the answer is yes. However, that doesn't mean that your doctors did anything wrong. In a patient with your history, many doctors to give you a sugar test earlier in the next pregnancy. Consider asking them about that.