Stomach ache but no period

Hi ladies,
My name is Sanne and I'm 24 years old. I stopped the pill 3 months ago and should be getting my period today, but I have a weird pain in my belly and sore nipples. We really want a baby, so I'm so focused on this that it feels like my body is playing tricks on me. I'm afraid it's going to take a long time before I finally get pregnant. I feel very unsure. Are there any ladies who have experience with having just one ovary? This is a birth defect I have.
It's nice to read your experiences!
Love, Sanne