There are many reasons for not being able to conceive a child, which may be caused by endocrine disorders, gynecological inflammation, fallopian tube failure, and also chromosomal abnormalities. The abnormal development of male sperm can also affect fertility. It is advisable to go to the hospital for examination, you can draw blood to check the six hormones, gynecological examination of the fallopian tube imaging, in addition, it is recommended to check the chromosomes, etc., can determine the condition of reasonable treatment, after the cure can be pregnant. If everything is normal, it is best to have intercourse during the ovulation period, and it is recommended to adopt a male-on-female sexual position and put a pillow on the woman’s buttocks after intercourse to prevent the outflow of sperm to help pregnancy. It is best to take care of rest, do not smoke and drink, and do not take drugs indiscriminately during the preparation period.