特纳综合征女性孕期相关的孕产妇心血管死亡率增加。

Fertil Steril. 2008 Nov;90(5 Suppl):S185-6. doi: 10.1016/j.fertnstert.2008.08.042.

In women with Turner syndrome, the risk for aortic dissection or rupture during pregnancy may be 2% or higher, and the risk of death during pregnancy is increased as much as 100-fold.

在特纳综合征女性中，孕期主动脉夹层或破裂的风险可能为2%或更高，孕期死亡风险增加多达100倍。