** 1.Because PCOS can occur independently or secondary to other disease thus do check with your thyroid profile [for under active thyroid] and may cause impaired blood sugar level [diabetes], thus seek suggestion/opinion from gynecologist as to why your periods are missing/irregular, who will go for appropriate examination [P.V. [per vaginum/P.S. [per speculum] and Investigations [Ultrasound,Hormonal profile] PS. In Ayurveda PCOS is considered due to low metabolism (digestive fire) thus drugs given will work/function by increasing the Metabolism by acting as deepana, pacahana,ushna,tekshna, sukshma,lekhana drugs and thus reducing the symptoms. 2. Avoid fatty food,curd,late night work,soyabean,milk,mustard oil,cabbage, and take moong dal,tambul,saindhav,tandulodak,coconut water, vegetable soups 3. regarding foul smelling discharge: . foul smelling yellowish discharge could be trichomonal infection and since occurs now and then thus simultaneous treatment of your partner is also required [make sure conditions/pathologies cervical erosion, fibroid, polyp, PID [pelvic inflammatory disease] are ruled out] . this problem is common in diabetic patients [check with blood sugar level], patient taking broad spectrum antibiotics , patients on oral contraceptives and AIDS [check as routine] . ocal wash with trifla decoction . onion juice mix with honey . you can ask for prescription medicine like: chandraprabhavati, trifla churan, pushyanug churan, tab lukol, trivang bhasm, praval bhasm.