Why does a wife never get pregnant? First of all, we must master the ovulation period. Ovulation period is usually about 14 days before menstruation. It is very easy to get pregnant in the same room during ovulation. Causes of female infertility: ovulation dysfunction, anovulation and luteal insufficiency. Congenital reproductive organ dysplasia or acquired reproductive organ diseases. Immune factors, anti-sperm antibodies in serum. Sexual disorder, lack of sexual knowledge, systemic diseases. Causes of male infertility: sexual dysfunction: impotence, premature ejaculation, nocturnal emission and no ejaculation. Abnormal semen quality: oligozoospermia, azoospermia, azoospermia, asthenospermia, polyspermia, too much or too little semen, and non-liquefaction of semen. Varicocele leads to male infertility. In addition, immune factors, serum anti-sperm antibodies. In addition, reproductive tract infections (congenital anomalies, systemic diseases, unknown causes. ) If a woman wants to have a baby, her fallopian tubes must be unobstructed, her eggs should be normal, healthy and mature, and her ovulation should be normal. At the same time, the uterine environment should be suitable for fetal growth, the thickness of endometrium should be normal (0.8- 1.0cm), and the woman's endocrine should be normal in order to maintain the normal growth and development of the fetus. Men need mature sperm and semen with normal vitality, and neither side has immune antigen or antibody.
What tests do men need to do before pregnancy? Items that men need to check before pregnancy: semen examination. Examination contents: Check the volume, color, viscosity, liquefaction, PH value, sperm density, motility and morphology of semen. Objective: To predict in advance whether semen is strong or weak. Examination method: Take male semen for examination. If sperm vitality is not enough, it is necessary to supplement nutrition. If oligozoospermia occurs, men should abstain from bad hygiene habits, such as no smoking, no drinking, no wearing tight underwear, etc. If it is azoospermia, it is necessary to analyze the reasons and decide whether to adopt assisted reproductive technology. In addition, the problems of male genitourinary system have a great impact on the health of the next generation. If the male has ever suffered from parotitis, cryptorchidism, testicular trauma and operation, testicular pain swelling, hydrocele of tunica vaginalis, oblique hernia, urethral secretion, etc. It is suggested to provide this information to doctors, consult carefully and choose to add appropriate physical examination items. Men should pay attention to three points. Pregnant dad must not stay up drinking. Check before pregnancy and pay attention to physical exercise to enhance physical fitness. Be sure to pay attention to the intake of nutrition and try to eat less or no spicy food. Maintain a good state and a stable mood. If you feel depressed because of work pressure, adjust your mood in time and feel happy before the exam. Pregnant fathers should never abuse drugs before pre-pregnancy examination, so as not to affect the examination results.