I am 27 and trying to conceive from last 5 months but from 5 months my cycle is irregular more than 35 days my last period come on 6th july and ends on 10th July and at18 July bleeding occur which is light than menstrual bleeding and ends on 21st July we are going for sex in every 2 to 3 days. On 6 Aug take a pregnancy test which is negative then I am taking meprate tab 10 mg for 5 days. But my periods don't come till. So what can I do. Am I pregnant?