During pregnancy, mothers generate di-galactosylated IgGs that cross the placenta more readily and provide the fetus and the newborn infant with antibodies optimized for NK cell–mediated antibody-dependent cellular cytotoxicity.

中文翻译：

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糖妈咪

在怀孕期间，母亲会生成双半乳糖基化的IgG，它们更容易穿过胎盘，并为胎儿和新生婴儿提供针对NK细胞介导的抗体依赖性细胞毒性而优化的抗体。