Help please tell me im not alone XD

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My fiance and I have been TTC since March My peak fertility was on the 7th and my ovulation was on the 8th. My fiance and I had sex on both days. The thing is that on the 8th- my ovulation day when we had sex I was riding on top and when I sat down it hurt, like really hurt. I didn't stop or say anything to him about it. It hurt soo bad my eyes watered. He is VERY well endowed BUT it's never hurt like that before. I was told that during ovulation your cervix sits lower. It worried me a bit because it had never happened before.Has anyone else encountered this?