\n\n
\n\n她可是你身体里最大的细胞哇!
\n\n\n\n承载着繁衍生命的重大责任,注定万众瞩目。
\n\n
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卵子妹妹的家在15-30mm椭圆形的卵泡里。
\n\n\n\n\n\n\n\n\n\n当她还在妈妈卵母细胞身体里时,只是一个染色体。
\n\n\n\n岁月流逝,小仙女到了12-15岁时,卵巢里的卵母细胞再也无法安分了,开始分裂,分裂,分裂。
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在促性腺激素的刺激下,每个月会有一个卵子妹妹长大,成熟,离开卵巢跑向输卵管,在这里静静地等待精子哥哥[1]。
\n\n\n\n卵子第一次随着经血离开卵泡,这就是让每个小仙女都会惊慌失措的“月经初潮”。
\n\n\n\n别怕,恭喜小仙女们长大了,这说明你们的生殖器官发育成熟啦。
\n\n\n\n初恋是美好的,但不可以18岁以前“偷尝禁果”。你的外阴、阴道都还很娇嫩,容易出现撕裂出血。知识还不够丰富的你,意外早孕流产,伤害的不仅是身体,更是青春无法逾越的一道鸿沟。
\n\n\n\n喜欢是放肆,爱是克制。
\n\n\n\n\n\n温馨提示:
\n\n\n\n\n\n卵子妹妹离开她的家后,生命只有1-2天,在最开始的15-18小时,与精子哥哥结合的几率是最大的,这之后他们相遇相爱的几率会越来越小。
\n\n\n\n\n\n\n\n\n\n到达小主输卵管的精子哥哥,生命是2-3天,留给双方相遇的时间非常短暂[2]。
\n\n\n\n想要成功怀孕的小主们,要计算好时间,精准快速出击哦!
\n\n\n\n对生理期规律的小仙女们,可以学会下面这个计算排卵期的方法:
\n\n\n\n排卵期计算方法,请认真学习:
\n\n\n\n先明白2个概念:
\n\n\n\n排卵期:月经来潮前的两周;
\n\n\n\n月经周期:两次大姨妈中间间隔的时间叫月经周期。一般标准的是28天,当然21天到35天都算正常哦。
\n\n\n\n举个栗子:假设2次大姨妈的时间分别为3月1日和3月30日,那么月经周期是30天,下次来大姨妈的时间是4月29日。
\n\n\n\n计算排卵期:从下次月经来潮的第1天算起,减去14天就是排卵日,所以下次的排卵日是4月15日,排卵日前5天和后4天为排卵期,所以下次排卵日是4月10日—4月19日。
\n\n\n\n\n\n\n\n\n\n若大姨妈不规律,可以用排卵试纸或到医院进行B超监测。
\n\n\n\n\n\n\n\n\n\n正常情况下,她的直径在18-25mm之间,若直径小于17mm了,就会不易怀孕[3][4]。
\n\n小仙女们若总是熬夜,体内激素异常,或者为了苗条身材不科学减肥,导致营养不良,发育卵子的“小房子”卵泡就不会长大了,卵子妹妹自然身材也变矮小了。
\n\n\n\n\n\n\n\n\n\n小仙女们出生时,通常有200万个卵泡,到了青年,大约只剩下30万个了,最后,能够发育成熟并排出,与精子哥哥相遇的只有400-500个[5],坚持到“决战”的都是女中豪杰哇!
\n\n小仙女们12-18岁时,卵子妹妹们健康状况良好;20-35岁时,卵子妹妹们依旧身体棒棒哒,子宫也成熟了,这是孕育宝宝的黄金时间;35岁后,卵子妹妹们的身体会虚弱起来。但大家也不需要焦虑,保持良好的生活习惯、积极乐观的心态,全面做好准备,也会生出健康的宝宝。
\n\n\n\n\n\n\n\n\n\n\n\n卵子妹妹是恋爱被动型的,每个月从一侧卵巢的卵泡中出来,被输卵管伞端拾起,抵达输卵管,然后就宅在这里,傻傻地等精子哥哥了。
\n\n成年男性一次射出上亿个精子,约200个精子到达输卵管。精子哥哥们需要穿过卵子的透明带,才能来到卵子妹妹身边实现受精,与卵母细胞结合,形成受精卵。
\n\n\n\n\n\n\n\n\n\n温馨提示:
\n\n\n\n\n\n当小仙女们平时出现小腹坠痛、来大姨妈时疼痛加剧的感觉时,赶快去检查一下输卵管。
\n\n\n\n若有炎症了,伞端就无法捡起卵子妹妹,就可能遇不到精子哥哥。
\n\n\n\n\n\n卵子妹妹表面包了一层透明带,上面有特异性精子受体,会告诉精子哥哥她的位置。一旦有第一个精子哥哥进来和她结合成受精卵,透明膜形态就会立即改变[6],可以理解为他关门换锁了,让其他精子哥哥进入不了。
\n\n\n\n\n\n\n\n\n\n如果没有和精子哥哥相见相爱,卵子妹妹到了子宫后也不会继续生长,她会失去活力,要么被身体吸收,要么从子宫壁上“脱落”,随着子宫内膜、分泌物、坏死细胞等排出体外,成为大姨妈的一部分。
\n\n\n\n\n\n\n\n各位小仙女要清醒:美容院的卵巢保养不靠谱!卵巢位于盆腔深部,光靠按摩是按不到这里的。其次,美容院的“精油”只是停留在皮肤表面,别再被商家的嘴忽悠了。
\n\n\n\n\n\n\n\n1.保证卵巢周围的温度
\n\n卵巢功能在身体受到冷刺激的时候会下降,这时会影响雌激素和孕激素的分泌。激素分泌紊乱时,卵巢产出的卵子质量就不好,所以大家要注意保暖[7]。夏天少对着空调直吹,冬天出门在外要把自己裹得厚实点儿。
\n\n\n\n2.吸烟或被动吸烟危害大
\n\n\n\n香烟烟雾中含有大量的尼古丁、多环芳烃等有害成分,会影响卵巢功能。有研究表明,二手烟也危害小仙女的生殖功能,让卵细胞数量下降、卵子内的染色体出现异常等[8]。
\n\n\n\n3.心理健康很重要!
\n\n\n\n精神情绪与卵巢早衰的发生密切相关。
\n\n\n\n长期在情绪不稳、心情抑郁、焦虑等不良情绪困扰和刺激下,中枢神经系统与下丘脑—垂体—卵巢轴功能失调,促卵泡素、黄体生成素异常分泌,会影响排卵功能[9],影响卵子妹妹的出生。
\n\n\n\n\n\n\n\n冻卵安全吗?
\n\n对女性自身而言,促排卵和取卵是相对安全的治疗和操作,有关风险包括了卵巢过度刺激综合征及一些手术并发症。自1986年首位冷冻卵子宝宝诞生至今,全球越来越多的试管婴儿出世,但冷冻卵子会不会对孩子的健康造成影响,目前还没有确切的数据。
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