you had your period on 14th feb .By this time pf pregnant it would have been 11 wks preg that is diagnosed by clinical examination .
There is no pregnancy
.you have menstrual irregularities due to some hormonal
Now the medicines prescribed for withdrawal bleeding to occur after you stop the medicine that have been prescribed for 5 days .the bleeding to take place in week or so time .
as you are having polycystic ovary you need to take treatment for this condition as this may be responsible for amenorrhoea .
please get a complete evaluation of your hormonal status and thyroid
profile also and be under treatment of doctor .
for preg to occur please get evaluation of you and your husband from an infertility
clinic and be under treatment till you get result .
hope you get normal periods and get pregnancy in time to come .