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gao ling nv xing yun qian de jing xin zhun bei
Author(s): 
Pages: 86-88
Year: Issue:  3
Journal: Family & Child Care

Abstract: 高龄女性面对5个风险 1.女性的原始生殖细胞在胎儿期就已经形成,如果怀孕时间过晚,卵子受环境和污染的几率就多,并且女性在30岁之后卵巢功能也开始减退,由于容易发生卵子染色体老化,最终导致畸胎的发生率增高. 2.女性的卵子数量实际是恒定的,也就是说每位女性的卵子总数相差不多,因此,随着年龄的增长,卵子减少,有生育能力的卵子更是越来越少. 3.随着年龄的增长,女性的月经周期也变得不规律了,随之而来的就是排卯的周期不确定.
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