Delayed menstruation in winter means that your uterus is cold, so this is the case.

Women with palace cold will do this when it is cold. Eating cold food will delay menstruation, and washing your face with cold water may push it off.

At this time, it is best to do enough warm work. Never wash your face and hands with cold water in winter, even if you wash vegetables, you should use warm water, otherwise your menstruation will only be postponed.

Then there is food supplement. Of course, it is best to eat donkey-hide gelatin, which is good for qi and blood, but this kind of anger is too strong, so it is better to eat less.

Drink more soup, put more red dates and medlar in the soup, recuperate your body and avoid weakness.

You can drink more brown sugar water, or soak in water with red dates and medlar. Drinking more can warm your stomach or your body.

If you can try moxibustion, you can also recuperate palace cold, but there are few places to do it.

You can buy some dried wormwood, then boil it into boiling water, boil it with boiling water and take a bath. This can also dispel the cold in the body and help you warm up.

Finally, soak your feet with wormwood water every day. When your body is warm, your uterus will be warm, so that you can have your period on time.