Consult a medical specialist near you for a suitable birth control pill considering your allergies. They can recommend alternatives or nonhormonal options like copper IUDs or barrier methods if required.

If your doctor has told you that the hematoma is small and not a cause for concern, then it is likely that they have assessed the situation carefully and do not see any immediate risks to your pregnancy. 

If your period started on 30 January 2024, you can rule out pregnancy.

You might have a disorder called menorrhagia, that is having heavy periods with clots. This problem may be due to hormonal imbalances or issues with the uterus. The heavy bleeding and clots you experienced may have caused some disturbances in your normal menstrual cycle. Consulting a doctor is essential for further evaluation and management. Treatments including hormonal therapy and procedures to deal with heavy bleeding can be the options that these doctors will mention to you.

If you have taken multiple home pregnancy tests and blood tests showing negative results then there's no chance for pregnancy. Feeling symptoms similar to pregnancy can have various causes. 

Masturbation is a normal healthy activity that many people engage in including teenagers. It's a personal choice and it can vary from person to person.