Could I be pregnant 5 months PP?Dont know when I ovulate

My partner was traveling so we didn’t start to have sex until 2 weeks ago. My baby is now 5 months old and we only had unprotected sex for the first few days before i decided that although I’m exclusively breastfeeding, I could still get pregnant so I started taking the mini pill.

9 days into the mini pill I get a light 4 day period and I’ve been cramping and having morning sickness. I haven’t had a period before taking the mini pill so I have no idea if I’ve even ovulated. Wouldn’t it be too soon to take a pregnancy test?

Any advice is appreciated!