Can I Rely On A 5 Month Negative Rapid Hiv Test I Have A 5mths Old Baby; Had 2 Regular Periods, Late This Month; Preg Test Negative; Am I Pregnant?

I have a 5mths old baby; had 2 regular periods, late this month; preg test negative; am i pregnant? - can i rely on a 5 month negative rapid hiv test

My daughter is 5 days, I had 2 regular intervals after the birth of my cycle is 28 days, today is the day 31 no classes held; pregnancy test is Sunday, the results were negative, yday I looked a little blood, that so far nothing, unprotected Sex more confidence in counting civilians must have. Breast-feeding in the last month. Am I pregnant?