Pinworms are tiny worms that infect the intestines and can sometimes spread to the vaginal area. They cause itching and redness. Medication can eliminate them, but it's important to wash bedding and clothes frequently to prevent the infection from spreading. Always remember to wash your hands before eating.

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.

You may have a yeast infection. Pain, swelling, a bad odor, and a white discharge, are all signs of this problem. Yeast infections can be caused by several factors, such as a weak immune system, antibiotics, or wearing tight clothes. To treat this, you can do it through over-the-counter antifungal cream or pills. As for hygiene, maintaining the dryness of the area and adding cotton underwear can also assist in that.

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.