It can be related to your cycles. If the pain increases or is associated with irritation or discharges, you may need to investigate further. But if its mild, its mostly cyclical and you may just observe for increase in severity. For the pain, you can take some paracetamol.
Next Steps
Paracetamol and most importantly observing for aggravation in the said symptoms
Health Tips
Wash the area with soap, keep it dry and avoid tight fitting underwear / clothes.