I gave birth 3 days ago. Soon after the event in pops the midwife to announce that I have to inject myself with clexane for ten days as they have calculated that I'm an intermediate risk of blood clots.
I suspect they calculate this because I'm over 35 (37) and before pregnancy my bmi was 30.
Now I like to see stats to back up recommendations, and I can't find the study this was based on. Does anyone have a link or more details, or personal experience please? Ideally saying they didn't bother with them? 
I'm also concerned they may be affecting my milk supply/production so would be interested to hear any thoughts on that
Thanks 