In Cardiovascular: Pregnancy | Running during pregnancy - am I ok to run for an hour

I've been continuing to run since I found out I'm pregnant (I'm 14 weeks now) but have been taking it really easy, going quite a lot slower and making sure I don't get too out of breath. I think giving a time limit is a bit arbitrary, as surely it will depend on the individual's level of fitness, stage of pregnancy etc. The half an hour thing is rubbish! I stopped being too sick to run my boobs we ...Cardiovascular