If anyone else wondered why the Finnish baby box includes condoms: http://help.finnishbabybox.com/article/9-why-do-your-baby-bo...
I was mostly kidding about not knowing the chances; what we weren't expecting was for it to happen so quickly.
Biology can be hilarious like that.
I got pregnant with my second when my first was 9 months old, I was still breastfeeding all the time.