If you deduct 17 from 28 cycle it gives you LH surge date.. so she has to be prepared from 11th day to 15th.. but as you said it's on 14th only but we need range n need to get prepared for pregnancy if willing.. I hope you the answer
I always have irregular period of 28day cycle and this one is the 27day cycle.I sex with day #1.8,9,10 and day #2 a different partner the 11.and back with day #1 from the 12 to the month end tell me who is the father
