My wife 36 years. She is having pcod and is on folic acid tablets since one year. She is getting regular periods sometimes 28 days, 29 days and 30 days since 9 months. She is taking apcod sachets, normoz, polysitol, folmet, blongf regularly. Now last periods was on 6th aug 2019, already 33 days over no periods till now, since 9 months she is getting periods max by 30 days, but now 33 days no periods, she is diabetic taking diabetic tablets regularly, her hba1c is 6.3, she is having pain in both under feet, 30 days she is getting periods since 9 months, but now already 33 days no periods, what may be the reason?