It's normal for your periods to become irregular after delivery. Common signs include periods that arrive too early, too late, or not at all. This happens as your body adjusts to the changes from pregnancy. Other factors like spasms, breastfeeding, and hormonal imbalances can also affect your cycle. Maintaining a healthy diet, staying active, and managing stress can help regulate your periods.

Bleeding through after menopause is not a normal occurrence and may be an indication of another serious disease. With these symptoms, sher should consult an Obstetricist to determine the causes of such complications by determining if there is underlying issues like infections etc. This requires an expert.

Unprote­cted sex during your period increases the chance­ of pregnancy. The reason is that spe­rm can live for days inside you. To avoid pregnancy, you can use­ emergency birth control. A morning-afte­r pill is one option. You must take it within 72 hours after unprote­cted sex. It lowers the­ risk of getting pregnant. If you're worrie­d, act quickly and get the pill.

Yes it is safe for pregnant women to travel by air during the early and middle stages of pregnancy as long as there are no complications or medical concerns.

Women may undergo variations in the menstrual cycle but if you are experiencing periods after a short time it is an indication of some other underlying problem. For further evaluation and diagnosis, I would suggest consulting a gynecologist. They will be able to administer treatments that are specifically tailored for your condition.