1, carotene intake of a large number of carotene will cause amenorrhea and inhibit the normal ovulation function of the ovary.

2. Bitter gourd Bitter gourd has antifertility effect. Bitter gourd protein inhibits endometrial differentiation and interferes with embryo implantation in the first and second trimester.

3. High-sugar foods Eating high-sugar foods can easily lead to disorder of sugar metabolism and even become a potential diabetic. Diabetes harms the health of pregnant women and fetuses.

4. Contaminated food Food will go through many necessary steps from the production of its raw materials to the whole process before eating, which may be polluted to varying degrees and bring harm to the body.

5. Once the barbecue food is grilled at high temperature, the nutrients are destroyed, and a large number of harmful substances such as trans fatty acids and acrylamide are produced, resulting in abnormal semen quality and infertility.

6, creamer This is a trans fatty acid, which will reduce male hormone secretion and inhibit sperm motility; It will also affect the quality of egg cells and increase the risk of infertility and fetal malformation. Trans fatty acids can affect hormone synthesis, which may lead to irregular menstruation and sexual dysfunction.

7. Caffeine Caffeine, as a substance that can affect the physiological changes of women, can change the proportion of estrogen and progesterone in women to a certain extent, thus indirectly inhibiting the implantation and development of fertilized eggs in the uterus. Caffeine ≠ Coffee, cola, tea, carbonated drinks, chocolate and so on all contain caffeine.