Spotting?

Hi guys!

I know that spotting is normal, but the thing that bothers me is that I've never had spotting until a few months ago. It started in February, I think. And every month, a couple of days after my period, I would get spotting. It would happen 5-6 days after my period, and now it's been around four days after my period and I have a bit of blood down there. Is it completely normal or am I just being paranoid?

I'm almost 18. I've never had sex and I don't take birth control pills. The only thing I've ever taken that is related to menstruation was Primolut N (Norethisterone) to delay my periods, but the last time I took those pills was last year in August because of a summer vacation. The first time I took them, I was around 13-14 and my doctor said it was okay (it was because of a 7 days long school trip).

My cycle has also been a bit weird. Ever since I started getting periods, my cicle has been the same, but ever since the spotting started, it has been making slight changes. Is this just puberty or is there something wrong? Has this ever happened to some of you out there and has it stopped?

Thanks in advance! 😊