The proportion of infertility patients has increased from 1-2% in the 1970s to 10%-15% today, an increase of about 10 times in 30 years. The World Health Organization predicts that after cardiovascular diseases and tumors, infertility will become the third most important disease threatening human health. It affects the happiness and stability of families and the harmonious development of society. Therefore, it is very necessary to understand the general knowledge of infertility and determine your fertility. 1. Prerequisites for fertility Normal sperm and egg – sperm and egg can be combined – the road is open (fallopian tube) – fertilized egg is laid and embryo is developed (normal uterus). One of the key factors in the female side is the oocyte. Oocytes cannot be regenerated. There are about 2 million primary oocytes at birth, only 200,000-300,000 by puberty, and depletion accelerates after age 35, with only 30,000 or 40,000 left near menopause. The older the eggs are, the older they are, the lower the conception rate and the greater the likelihood of chromosomal abnormalities in the embryo. The higher the rate of spontaneous miscarriage, recurrent miscarriage and neonatal malformations. Tip: The lack of ovarian reserve is a vicious cycle process, the less remaining, the faster it is depleted. (1) Fertility decreases with age 90-95% pregnancy rate in one year for women aged 20-25 years; 60-70% pregnancy rate in one year for women aged 30-35 years; 40-50% pregnancy rate in one year for women aged 35-40 years; 10-15% pregnancy rate in one year for women after 40 years. (2) Infertility increases significantly with age The infertility rate of women aged 20-25 years is 10%; the infertility rate of women aged 30-35 years is 15-20%; the infertility rate of women aged 35-40 years is 25-30%; the infertility rate of women after 40 years is greater than 35%. 2.Fertility from menstruation (1)Normal menstruation: most of them have ovulation, but not 100%; no problem to get pregnant. (2)Sporadic menstruation: once a few months or several times a year, most of them have no ovulation or very little ovulation, and the pregnancy rate is low. (3) Prolonged menstrual cycle 35~50 days, some of them have ovulation and can get pregnant, less chance of pregnancy than those with normal menstruation. (4) Amenorrhea: generally without ovulation, definitely affects pregnancy. It should be treated as soon as possible. (5) Regular menstruation when you are young, after 35 or 40 years old, the menstrual cycle is shortened (20-25 days), which marks the decline of ovarian function and poor reserve, this period is called late reproductive period. In a few years, menstruation will be prolonged once every few months until finally menopause – this is reproductive aging and the pattern of menstrual changes. As a fertility specialist who has been working for decades, I sincerely suggest that you will understand how important age is for female fertility by the above explanation! It is recommended that you must not miss the good opportunity to have a baby because you are too busy working and fighting in your fertile age. 3. Common sense of medical treatment for infertility patients – go to a regular hospital See the doctor clearly, spend money clearly – be happy to get pregnant; the principle of infertility examination follows: non-invasive and simple with low cost. Necessary tests: (1) semen examination for male partner; (2) six endocrine tests for female partner, ultrasound and follicle monitoring; (3) tubal imaging. After six months to one year, more than 80% of the patients will get pregnant with the combination of Chinese and Western medicine treatment for the cause of the disease. We believe that through the joint efforts of doctors and patients, we will realize our family dreams and wish everyone a healthy and smart baby.