Could it be that they told us Cassidy was pregnant with James Ford child so we knew he was capable? We really don't know if they injected her with anything while she was being held captive and they were on the other island, could mean that she could have been impregnanted I suppose... We have to remember that there are only about 5 days when a woman can get pregnant in a month.. Coinencidece if she did or planned again?

__________________
Please don't give up, Des. Because all we really need to survive is one person who truly loves us. And you have her. I will wait for
you. Always. I love you, Pen

DESMOND: I love you, Penny. I've always loved you. I'm so sorry. I love you!
PENNY: I love you too.
DESMOND: I don't know where I am, but--
PENNY: I'll find you, Des--
DESMOND: --I promise--
PENNY: --no matter what--
DESMOND: --I'll come back to you--
PENNY: --I won't give up--
BOTH: I promise. I love you.