Kayla, tiffany, Amy...any of you lovely ladies

Looking for your expert advice please, so ever since coming off bc in October last year i have been having regular cycles..last month we went all out ttc and i really thought it was going to be it...well needless to say i failed but im wrecking my brain trying to figure whay went wrong, did i ovulate?but if i didnt wouldnt i have a later period?did i miss the day? But we bd all thru fw?Please help with any kind of advice ladies as its really getting to me now especially seeing everyone around me having babies. I just wana break down and cry 😭