Infertility classification is more complex, the simplest and most common, generally primary infertility and secondary infertility. The so-called primary infertility, that is, never been pregnant, more than a year of failure to conceive, called primary infertility; secondary infertility is previously conceived, now can not be pregnant, but also a full year of failure to get pregnant, called secondary infertility.
According to the cause of infertility, it is divided into male factors, female factors, or both factors. Infertility caused by simple male spermatozoa, or azoospermia, or azoospermia, is called infertility caused by male factors; infertility caused by female factors, and according to the site of the disease, such as from bottom to top, caused by reproductive tract obstruction, congenital development abnormalities, such as hymen atresia, vaginal septum, etc., these congenital development abnormalities are caused by uterine malformations, tubal obstruction, or ovarian infertility, are factors that cause female infertility; there are problems in both men and women. It's called infertility caused by both factors. There is no official statistics, only the statistics of some regions, probably the female factor accounts for the majority, the male factor accounts for a small part, the two factors account for about 20% to 30%, but this also reminds everyone that pregnancy is a matter of two people, not simply female infertility, although fertility is done by women, but it is not that infertility is a woman's business, many are also caused by male factors, when going to the hospital for examination, you can not only check women, do not check men.