而每次怀孕生育都能使孕妇患癌的风险降低10%。
如果先证者的母亲是携带者，则每次怀孕传递致病突变的几率是50%。
If the mother of the proband is a carrier, the chance of transmitting the disease-causing mutation in each pregnancy is 50%.
不过要测量每次饮酒的量是非常困难的，出于这个原因，许多健康专家还是建议女性在怀孕期间完全戒酒。
It is very difficult to know exactly how many units there are in a glass of wine or measure of spirits. For this reason many health experts recommend women abstain completely throughout pregnancy.
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