I'm in the same boat - we aren't ttc yet, but we're ntnp. I know I just o'd because of ewcm/cervical position/etc, but it makes me nervous to think about getting pg this cycle - I think it's best to wait for one af to let the uterine lining build up. But, at the same time, we didn't prevent it. So I am going with the philosophy that it won't happen if my body isn't ready. I'd say the same to you! Good luck