well, i know how..but how? was it in you r plans or did you have lucky accidents?.... this is my experience dd1 - step-daughter ,came with DH. DS1 -stepson- came with DH . DD2 - birth child from ex-h ,drunken accident.DD3 birth child from ex-h, the pill failure ,aka food poisoning september weekend in blackpool .DS2 birth child from ex-h ,complete mystery... found out i was having him at 5 months pg, still had periods wtf?was on pill too!DS3 step son came with DH , DS4 - PLANNED BABY! with dh ,DD4- 50% extra free..... ds4's twin ,wasnt concieved at same time, but 2 weeks later according to scans!( how did that happen????) . i also had MC's ,one between dd2 & dd3 and another before twins, whilst i had implant...( was told it was impossible, yeah right).... would like another but DH has had snip.... but you never know, just needs one little swimmer to break out