From a holistic angle only, you will get a solution. Sexual relation cannot be seen as an isolated part of human relationship. Sex cannot be the basis for longterm happiness. Ideally sex is part of many other components in a relationship with a man. If it is complimented by emotional satisfaction and security, then only it is enjoyable. Otherwise the female feels stressed. Hence you need to view the problem in a holistic way. Then comes assessment of your physical health.
Next Steps
Check out what i told in a meditative session and you will be guided from your inner voice.
Health Tips
Never suspect your body. its fine. social and mental conditions matter