Drinking vinegar can not delay menstruation, because vinegar is a kind of condiment, can not play the role of delaying menstruation. Vinegar is a sour flavoring agent produced by fermentation, and its main components are acetic acid and higher alcohols, etc. Vinegar is sour and mellow, and the liquid is fragrant and soft, which can open the appetite, make the appetite vigorous, accelerate the peristalsis of the intestines and stomach, and promote the secretion of saliva and gastric juices, which can help digestion. Appropriate drinking vinegar can help weight loss, but also can promote the combustion of nutrients in the body, improve the utilization of calories, but excessive drinking vinegar will cause gastric reflux, gastric mucous membrane damage, etc., should not be excessive. Therefore, from the point of view of the composition and role of vinegar, simply drinking vinegar can not delay menstruation. If you need to delay menstruation for special reasons, you should consult your doctor for medication. Commonly used progestin drugs, such as progesterone injection and dydrogesterone, affect the function of the hypothalamic-pituitary-ovarian axis through the continuous application of low-dose progesterone, inhibit ovulation, and the endometrium maintains its secretory phase and does not peel off, thus delaying the menstrual cycle. The application of drugs need to pay attention to under the guidance of a doctor, to ensure that the delay of menstruation, it is best to take a month in advance, otherwise it is difficult to ensure the effect; application of drugs may have adverse reactions occur, such as nausea, vomiting, drowsiness, drowsiness, etc., serious endocrine disorders can occur, such as the discomfort is obvious, you need to stop the drug in a timely manner and consult a doctor for examination, so pay attention not to blindly or privately use drugs for delaying menstruation, it is easy to the body to cause Harmful to the body.