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自然避孕法
释义
自然避孕法
Encyclopedia
医学
避孕
释
natural family planning
自然避孕法
根据女性月经周期和周期中出现的症状与体征,间接判断排卵过程,识别排卵前后的易受孕期,进行周期性禁欲而达到避孕的方法。又称安全期避孕法。
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poly (ether-ether-ketone)
poly ether ether ketone
polyetheretherketone fiber
poly (ether-ketone)
poly ether ketone
poly (ether-ketone-ketone)
poly ether ketone ketone
polyether polyol
poly (ether sulfone)
poly ether sulfone
polyethersulfone
poly (ether-urethane)
poly(ether urethane)
polyethylene
polyethylene catalyst
polyethylene coating
polyethylene fiber materials
polyethylene glycol
polyethylene glycol induced fusion
polyethylene glycol-mediated transformation
poly (ethylene glycol) methyl ether methacrylate
poly (ethylene glycol) (PEG)
polyethylene naphthalate
polyethylene naphthalate formic acid glycol ester
poly (ethylene oxide)
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