Can stress affect pregnancy? Failure to conceive and mental stress often go hand in hand. When nervousness occurs, the body undergoes a stress reaction that affects the regulation of normal menstruation, leading to ovulation disorders and infertility. When undergoing infertility treatment, maintaining a happy and relaxed mood, living a regular life and eating a healthy diet can improve the pregnancy rate after treatment. Men and women alike, if the stress is too much, it will affect the normal function of male reproductive endocrine, further affecting the spermatogenic function of the testes, resulting in oligospermia, weak spermatozoa, and malformed spermatozoa. What is obesity? How does it affect fertility? In medicine, the average standard weight (kg) is usually calculated by subtracting 105 from the height (cm). The actual weight is considered normal if it is within plus or minus 10% of the average standard weight. There is also a way to body mass index (BMI) that is, weight (kg)/height 2 (m), BMI = 19-23 when considered normal. Obesity is defined as BMI>25. There are many reasons for obesity, the most common one is simple obesity, which is related to lifestyle and dietary habits. Therefore, proper diet control and more exercise to maintain a normal weight is very important to restore normal fertility. During the preparation for pregnancy, both men and women to fast walking, jogging, do not recommend strenuous exercise, in addition to the diet should be low-fat high-protein, eat more green vegetables, fruits. Emphasize moderation, if you lose too much weight in a short period of time, it will affect the endocrine function, and the loss will outweigh the gain!