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如何才能提高一次性的受孕成功率?

发布日期:2024-07-07 05:21:05编辑:秩名


据统计,集中在可孕高峰日(即排卵日)前后性交,可使75%的妇女在2.76个月经周期内受孕,即无生育障碍的夫妇月平均受孕成功率大约为27%。青年夫妇正常的性交频率为3~4天1次。在理论上,这样的频率,可以使无生育障碍的夫妇在预定的日子里1次受孕成功,但实际成功率要低得多。
 
先分析一下无生育障碍而1次受孕失败的原因。一种情况是,由于发生了临时性生育障碍。最为常见的当是近半个月中有过较大的情绪波动,如过分的焦虑、抑郁、悲伤等,特别是经过长期生育准备、一心求得一个好宝宝的人,越接近“临战”时刻,心理越是紧张。这些情绪因素发生在女方,会使女方内分泌失调而影响正常排卵,错过受孕时机;发生在男方,会使男方因心理过于紧张而发生早泄或勃起功能障碍。另外,性交过稀,超过7天,以致死精太多,或性交过频,1天1次,甚至一夜数次,以致成熟精子太少,这些均会影响精子活力,同样会错过受孕好时机。
 
有些青年夫妇片面认为营养越好,精子和卵子的质量就越高,就能生下一个聪明健康的宝宝来,于是在准备受孕的日子里天天膏粱厚味,外加补品甜食,结果造成蛋白质、脂肪、糖类等营养过剩,导致酸碱失调,使体液(包括血、汗、唾液、精液、阴水等)偏酸。在女方,过酸的阴道环境能过多杀死精子,而宫颈黏液过稠,使精子不能穿透进入输卵管与卵子相遇;在男方,精液偏酸,也会使精子大量死亡,健康精子达不到一定数量,就不能保证受孕成功。
 
另外一种情况是,精子虽然与卵子结合了,但在妇女知觉怀孕以前就流了产,妇女还以为是月经来潮,临床上称之为早早孕流产。这主要是因为精卵结合后还未着床,或着床后受精卵扎根不深就进行性交,或妇女受到剧烈的精神刺激、外力撞击及疾病等原因引起胚泡脱落。有人估计,这种早早孕流产的可能性高达30%左右。换句话说,无生育障碍的夫妇所以1次受孕未获成功,半数是由于夫妇缺乏性保健知识造成的。一向月经正常,如某次月经提前或延后,经血中有紫块,很可能属于早早孕流产。
 
少数人停服口服避孕药不到3个月,或在暴风骤雨、电闪雷鸣、严寒酷暑、月蚀、地震等不良气候条件下性交,也会使受孕失败;男子穿紧身裤,或使用电热毯,阴囊温度升高会热死精子,发生临时性男性不育症。
 
准备生育的夫妇双方,在身体健康无病、心情舒畅的前提下,为了按计划达到1次受孕成功的目的,应注意如下几个问题:
 
(1)选择最佳受孕日年龄在25~30岁左右的青年夫妇,结婚至少1年以上,如需要生育,一般安排在春分前后至夏至那段风和日丽、百花争艳、春意浓浓的日子里受孕较为理想。据研究,日照长,气温适中(18~25℃),人体最感觉舒服,春情高亢,不仅受孕成功率高,而且有利于优生,如遇到天气异常,可推迟到下个月进行。
 
(2)孕前合理营养。在经济条件较好的人群中,不少是属酸性体质。因此,在准备生育的3个月中,饮食宜清淡,以素食为主,鱼肉为辅,多吃新鲜绿叶蔬菜和水果,确保体内酸碱平衡。同时,生活起居要有规律,心胸开朗乐观,人际关系和谐,保持良好的体能状态,这样不仅受孕易获成功,对以后孩子的身体和智力的健康发育也极为有利。
 
(3)进行受孕演习。在实行计划生育的今天,绝大多数夫妇都有意识、有目的地受孕。正因为如此,在性反应周期中出现心态反常,特别在性欲产生的准备阶段和性交阶段,因心理紧张影响性生活质量的很多,个别甚至发生勃起功能障碍而不能交合。因此,在正式受孕前要进行多次训练。其方法如下:坚持基础体温测量,预测排卵日期,同时参考自我感觉确定排卵日,在排卵那天,先睡觉后性交(不要忘记用安全套)。因经过一段时间的休息,不仅体力恢复,而且激素分泌增多,心态平静,情绪稳定,性交时间较长,男女双方均可达到性满足。这种演习不限于排卵期,平时性生活中也可使用。
 
(4)孕前寡欲,孕后禁欲。30岁左右的青年夫妇,根据不同情况应建立每周1~2次的性交频率,即为寡欲。但在女方排卵那天,或前后1天,一定要进行1次交合,且由女方掌握主动权,事前也不必告诉丈夫,避免过度兴奋,在半夜醒来后,主动向丈夫求欢。如果性交后女方不再有性欲要求,说明精卵可能已结合,夫妻宜分床或分被,并禁欲3个月。
 
虽然受孕在片刻间即告完成,但孕前准备和孕后保健要颇费心思,很需要认真对待,来不得半点马虎,这样才能最终实现优生。

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