The first factor is that it may be caused by the woman’s own disease, if she has a disease, such as abnormal ovarian function, fallopian tube and other problems can lead to failure to conceive, you need to go to the hospital for timely examination. Secondly, it may be caused by the male partner’s physical problems, if the male partner has a low sperm activity rate and a large proportion of deformed sperm, it may also lead to failure to conceive, and may also be related to endocrine disorders. It is recommended that women go to the hospital on the 2nd-4th day of their menstrual period for a hormone 6 check to see if there is an endocrine disorder, which can also directly affect a woman’s chances of pregnancy. Thirdly, it may be caused by other factors, such as environmental factors, mental factors, dietary factors and various other issues that can affect a woman’s chances of getting pregnant.