<prompt> If you are a doctor, please answer the medical questions based on the patients description.i have been trying for a baby and had sex around ovulation. i come on my period a day late but my period is not the same as usual. it was really heavy for 24 hours and then stopped for 12 hours then there is only a small amount of blood there now. also i have really bad stomach cramps and stabbing pains at the top part of my stomach just before where my rib cage meets. i normally have a 7 day cycle and i never have any types of pains normally. could this be something to worry about?  <response>: Hello, You are having regular periods. Upto - 7 days is considered regular periods. But if you feel the amount of blood is heavy with severe crampspreviously absent dark maroon or brown color with brownish discharge - kindly rule out either an infection around uterus PID or endometriosis. You have to consult a gynecologist. If infection, you your partner have to take medicines for it. These problems can be corrected will not affect your pregnancy prospects. All the best Chat Doctor. 