It could be related to a muscle strain, injury, inflammation, or other reasons. A doctor can evaluate your condition and refer to a specialist if required. 

Yes increasing your height to a certain extent is possible through a surgery. You can read detailed information about the cost here - Limb Lengthening Surgery Cost In India from the best doctors.

Visit a gynecologist for advice and medical prescription.

Consult with a gastroenterologist for a proper evaluation and diagnosis to find the cause of your symptoms and provide appropriate recommendations for treatment.

Kindly consult your gynecologist

Yes, there is a possibility of pregnancy in that situation since sperms can survive for a short period outside the body. So contact a gynecologist to confirm or take a home pregnancy test.

This can be a sign of a neurological issue. Check with a neurologist for a proper evaluation and treatment. 

For proper diagnosis and guidance for your symptoms, consult with a specialist such as a neurologist or a geneticist. 

There could be other reasons like PCOS etc. So talk to a gynecologist to find the cause and get proper treatment.

These movements are generally considered normal during pregnancy. As your pregnancy progresses, your baby's movements will become more noticeable and stronger. If you have more concerns visit a gynec.

Consult a cardiologist as we need to check your medical history, conduct a physical examination, and possibly order additional tests to determine the actual cause.

Excessive masturbation does not usuall;y cause long-term erectile difficulties, but it's possible that other factors may be contributing to your current situation. It would be best to consult with a urologist or a sexual health specialist.