The Amenorrhea can affect the birth
The normal menstrual cycle’s maintenance, must rely on a hypothalamic pituitary gland ovarian function coordinated and the endometrium to the sex hormone periodic response. In the above link any gives rise to the problem, namely possibly causes passes through idly. Amenorrhea patient overwhelming majority day ovulation, thus cannot become pregnant.
Besides the physiology Amenorrhea (sees after the puberty girl, Amenorrhea woman and pregnant woman), other Amenorrhea all filings pathological, its reason is as follows:
(1) womb Amenorrhea: Because the endometrium does not rebel to the hormone should or the response low causes. Sees after the endometrium tuberculosis, the endometrium damage (for example dilation and curettage in womb stock regeneration), endometrium adhesion and maldevelopment and so on. Even if this kind of patient through the artificial hormone adjustment (artificial cycle), the endometrium will not fall off the hemorrhage.
(2) ovary Amenorrhea: Mainly causes by the ovary disease. Because estrogen horizontal excessively low, cannot urge the endometrium to grow, like congenital ovary maldevelopment, ovary early aging, non-response ovary and so on. In these human bodies the estrogen level lowers presses the gonadotrophic hormone actually normal or high, may apply the artificial cyclical treatment.
(3) pituitary gland Amenorrhea: Amenorrhea and pituitary gland function insufficient related, but after jianyu head injury, mat Chinese syndrome, skull brain radiotherapy, and so on.
(4) hypothalamus Amenorrhea: The question leaves in the hypothalamus, may be nervous system organic disease, like the inflammation, the tumor, the ischemia and so on create, may also be the energetic factor, the environment change, whole body disease, the malnutrition and the medicine influence creates.
