Hi I am 28 years old married since 2.5 years, with irregular periods and hypothyrodism, on oral thyroxine, 2 months before i took duphaston 10 mg from day 16 to day 25 and got with drawl bleeding on 3rd day (3rd april) , then I took clomid 50mg od from day 2 to 5 and ovulated on day 16 ( april 18) and started duphaston also on same day for 10 days but now since last 1 week i have mastalgia with heaviness in both breasts, low back pain, generalized weakness and arthralgia, lower abdominal cramps , and today is day 31 and still didnt got my period , i made urine pregnancy test which was negative , what should i do now ??