Fluoxetine and periods...

Sinead β€’ 25 | married πŸ’ | Scotland
Hey I'm hoping someone can help...can taking Fluoxetine impact your cycle?
I started talking fluoxetine (Prozac) on 26th Apri and I'm currently almost 2 weeks over due my period. I am on the implanon implant and have had very regular periods for years( even on marena coil). I've taken a pregnancy test and it's come up negative πŸ€”
Any advice/ ideas?