妊娠糖尿病（Gestational diabetes）是指女性在妊娠过程中出现的血糖显著升高，它可能伤及母婴，主要可能的并发症如下：

１、早产。

２、母亲易发展为先兆子癫。

３、需要剖宫产的机会增多。

４、胎儿巨大，易导致分娩困难。

５、胎儿出生后易出现黄疸、呼吸困难和低血糖。

Health Tip: Gestational Diabetes May Endanger Mother and Baby

Here are potential complications

(HealthDay News) -- Gestational diabetes occurs when blood sugar levels become abnormally high during pregnancy.

The Womenshealth.gov website says gestational diabetes increases the risk of these complications:

１、Having a premature delivery.

２、Developing preeclampsia, which causes high blood pressure during pregnancy.

３、Requiring a Cesarean delivery.

４、Having a very large baby, which can make delivery difficult.

５、Development in the baby of jaundice, breathing problems or low blood sugar.