The fact that you can’t have a baby can be attributed to physiological factors such as nervousness, poor timing of intercourse, or other diseases such as polycystic ovary syndrome, azoospermia, and prostatitis. 1. Physiological factors: if the couple is nervous, or not in the ovulation period, may lead to pregnancy difficulties, the situation of the child is normal, do not need to worry too much. 2. Polycystic Ovary Syndrome: Polycystic Ovary Syndrome may be caused by genetic and environmental factors. Patients may have hairy, abnormal menstruation, infertility, acne and other symptoms, if a woman has polycystic ovary syndrome, may not be able to give birth to a child. 3. Azoospermia: Azoospermia may be caused by testicular disease, heredity, endocrine abnormality, trauma, reproductive tract infection and other factors. Patients may have male infertility, accompanied by testicular atrophy and sexual dysfunction, which is manifested as the inability to have children. 4. Others: Failure to have children may also be caused by prostatitis, epididymitis, seminal vesiculitis, erectile dysfunction, early onset ovarian insufficiency, congenital gonadal hypoplasia, hypothyroidism and other diseases. There are many clinical reasons for childlessness, so it is recommended that both spouses go to a regular hospital and undergo a relevant examination in order to identify the cause of the disease.