Recommendations for Fertility pills

Hello Ladies!

I am a recent newlywed been married for almost 8 months now my husband and I really want to have a baby we have been together for 6 years and past three months with no success so far 😞we have been trying I’ve been doing the calendar method and ovulation tests. I always have been regular 28 days and up until the prenatal vitamins now I will get my period late or two weeks early with negative tests.I’ve been taking Deva prenatal. Any tips or recommendations for ovulation or fertility pills? I appreciate all help Thank You ❤️