Cohabitation more than 2 years if the couple did not take any contraceptive measures can not be pregnant, called infertility. 2 years after the marriage has never been pregnant were known as the immunogenicity of infertility; have had a succession birth or miscarriage were more than 2 years of infertility, known as secondary infertility. There are many factors leading to female infertility, there are the following aspects:
1, blocked fallopian tubes
The causes of infertility, 2 / 3 is the woman’s fallopian tube obstruction, but since the general emphasis on broad-spectrum antibiotics to prevent infection and its inception, causing inflammation of fallopian tube obstruction obstetrics gynecology have been greatly reduced
2, ovarian factors of infertility
Understanding of the endocrine diseases and examination of technology continues to progress, ovarian dysfunction, infertility due to diagnosis rate has increased, so ovarian infertility also occupies an important position. Ovarian factor infertility caused by infertility accounts for about 15% to 25% of ovarian infertility can be caused by several factors:
1, ovarian local factors
Such as the congenital absence of ovaries or immature-type ovaries, premature ovarian failure, polycystic ovary, some ovarian tumors, such as particles – egg, bubble film cell tumor, testicular neuroblastoma, etc., can affect ovarian hormone secretion and ovulation.
2, systemic disease
Such as severe malnutrition or a diet lacking certain important factors that can affect the nutritional infertility ovarian function Er Zhi.
3, chronic diseases, metabolic diseases
Such as diabetes, hypothyroidism, or adrenal dysfunction such as hyperthyroidism can also lead to infertility.
4, central effects of
Between the hypothalamus pituitary ovarian endocrine imbalance, pituitary tumor or scar may cause ovarian dysfunction, infertility Erzhi
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