天气预报 > 其他 > 泡卵每天长多少合适
泡卵每天长多少合适
更新时间: 2020-11-05 00:00:00  

每一月经周期中只有一个卵泡生成至成熟,叫做优势卵泡,其它卵泡受抑制因子的抑制,停止生长,退化为闭锁卵泡。从周期的第5~6天卵泡直径约为5~7mm,第10天时卵泡直径可达10mm,超声已能清晰显示。正常周期中卵泡发育的速度比较恒定,约1~3mm/天,最快可达4mm/天,愈临近排卵期,增长愈快,排卵前5小时可增长7mm,发育到18--23mm时就可成熟排出。

关键词: 天长 多少 合适

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