Nditeze:
The first thing for you to do ni kuongea na muhusika. Je umesha mkalisha mwenzio na kumuuliza these same questions? If yes, then what did she have to say about the timing discrepancy? In any case the only sure proof option as far as knowing kama huo ujauzito, kama majibu ya missus si muafaka, will be gettting a DNA test, other than you and/or we will only be speculating.