My husband and I are trying for baby #1. My period cycles can be anywhere from 20 days apart to 39, but I average around 29. Glow told me I could take a HPT on Saturday, and it was negative. Today I have super sore nipples, which isn't normal for me and for the last week have had a lot of creamy cervical mucus, dull cramps and pelvic pain on my right side on and off. How soon should I take another pregnancy test? I don't want to waste my money on too many pregnancy tests, but at the same time I'm anxious to know if I could be pregnant. I should be starting my period sometime this week. Is there a certain number of days that is good to wait before taking one again? Or just wait out the week and see if my period comes?