I had sexually active before 1 month & taken contraceptives pills so , after 8 days I got my periods which was 1 week earlier than normal & in this month I am not getting my periods & its 10 days late than last month periods . I had taken pills for early periods since last 2 days but I am not getting it . I have acute pain in lower abdomen & it remain for few seconds to minutes. I also feel weakness . I also wanto to mantion that in this month I masturbated for many times . I am also suffering from mood swings since last 2 days