The reasons for not getting pregnant easily need to consider the causes of both men and women, generally there are female endocrine disorders, female uterine abnormalities, female fallopian tube obstruction, male semen abnormalities, male spermatogenic difficulties, etc., but the specific should also be men and women should go to the hospital to receive a checkup, under the guidance of the doctor to find out the causes of infertility, the following reasons are for reference only. 1. Female endocrine disorders: female endocrine disorders include polycystic ovaries, thyroid dysfunction and other diseases, which may lead to abnormal ovulation function, thus causing infertility. 2. Female uterine abnormalities: A woman’s uterus is a stumpy uterus or a mediastinal uterus, all of which can affect pregnancy. Problems with the lining of the uterus can also lead to pregnancy. A thin lining of the uterus can prevent a fertilized egg from implanting in the uterus. 3. Obstructed Fallopian Tubes: The fallopian tubes are where the egg and sperm combine. Obstruction of the fallopian tubes can affect the smooth combination of egg and sperm or the implantation of the fertilized egg into the uterus. 4. Abnormal male semen: male semen has low vitality, high number of dead sperm and low number of live sperm. 5. Difficulty in male sperm production: men may suffer from orchitis, congenital testicular hypoplasia, etc. It is recommended to go to the hospital in time to find out the cause of the disease and treat the symptoms. If both husband and wife have normal sex life and cannot get pregnant, it is recommended to consult a doctor in time to identify the cause and treat the symptoms.