Period? Or implantation bleeding?

Julie • 🌈 baby ~ baby boy 💙 due June 13, 2019 ~ mom of 14 yr old boy ~ boy mom!
So I had a very light period for 2 days and then it stopped, not wearing a tampon or pad for day 3 and then today (day 4) around 1:30 I went to the bathroom and noticed bleeding again. When I wiped it was light pink. My period has never stopped for a day before so I thought that was weird.
I'm  Planning on taking a test in the morning just to see, but just wanted to see if anyone else has had implantation bleeding that lasted 2 days?