I Had My Menstrual Cycle Last Week The Last Day

I had my menstrual cycle last week the last day of it was the 18th or 19th. I had my iud removed on the 27th. that same day my husband had intercourse unprotected since we are trying to have another baby. we then had intercourse again yesterday again no bleeding. except today I started bleeding not heavy but I am bleeding. why is that happening am I having another period.