wow! - this is so informative. the fact sheets from my clinic advise that its very important NOT to have sex once blood tracking starts for a fet... so now i find out different from you girls. wont tell DH though. i will just act like i wanna be more intimate. i think he would feel 'cheated'. its quite a relief because between day 1 bleed and day 12 bloods there isnt much of a time frame for intimacy IYKWIM?