My period is due jan.21 but im very sexually aroused I already ovulated?

Question? Nothing wrong with being sexually aroused, but what's your question?
Humans vs others. In non-human mammals, sexual behavior is mostly linked to ovulatory cycle, and there is little interest at other times. But in humans, sexual arousal can occur at any time in the menstrual cycle. That said, it is very hard to precisely pinpoint one's ovulatory moment.

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Whenever I am sexually aroused for long period of time. I get OCD and take androcur & provera (medroxyprogesterone) to reduce arousal. I m male 32. Good idea?

Masturbation. Have you tried masturbation to relieve the sexual tension? It would be safer than any medication that you may take. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Read more...