Hi, Thanks for using HCM.
As you are having unprotected sex, there are chances of pregnancy
even with PCOS
. Pink spotting could be a implantation
bleeding or regular menstrual bleeding.
Get done your UPT test blood HCG for pregnancy.
Better to get treated for your PCOS problem.
Weight reduction and regular exercise helps a lot.
Get done your blood sugar and lipid profile
Hope I answered your question. Consult your doctor for further examination and management.
Feel free to ask me if you have any further queries.
Wish you good health. Take care.