I found out in July that I was pregnant, but after a week or so of bleeding in August we were told it was a blighted ovum (I was 10w). I didn't m/c naturally so had to have a D&C at 12w. This wasn't successful so I had to have another D&C at 14w. This wasn't successful either, and I finally passed the sac naturally at 16w, in October. I'd been having daily bleeding/spotting for 10w by that point and it continued for another week afterwards.
We asked about TTC and both gynaes (one after each op) said to wait a full week after bleeding had stopped before having intercourse, in order to avoid infection, but no need to wait a particular length of time before TTC.
I was using OPKs and charting fertility signs, so about 2 weeks or so after I'd passed the sac (just over a week after the bleeding had eventually stopped) we tried every other day about 3 times - that was hard enough. By the end of October, I had a new BFP. So far we've had two scans and heard the hb twice on a doppler, with the 12w scan delayed until next week because of Xmas/New Year. I'd heard rumours about the lining not being thick enough, and given that I had effectively gone through three "miscarriages", though all for the same pregnancy, in the space of 4 weeks, I was worried. My doctor told me that's an urban myth - if your lining is not thick enough to support a pregnancy, the fertilised egg simply won't implant. His attitude (and that of the gynae he phoned for a second opinion to reassure me!) was that if your body is not able to cope with pregnancy, it won't get pregnant till it is able to cope.
By the way, there's been no fuss about dating this pregnancy. Because I'd been charting, I had an ovulation date even though my LMP date is technically 3 June and thus useless. My doctor simply took my ovulation date minus 2 weeks and used that as "assumed LMP". The scans have both been within a couple of days of this date, so all's fine. If you are going to try again without waiting, however, it really is worth using OPKs or something. The main issue is to ensure that it is a new pregnancy, and not retained products from a m/c. For that reason, it's also worth using cheap (eBay?) HPTs and making sure that they are completely negative before TTC. I've heard so many awful stories about women who've miscarried, then 4 weeks later thought they were pg again and got a +HPT, and a scan has shown that the pregnancy has failed. These women all think they're going through a second m/c until hospital tests revealed that they'd never completed the m/c. They've had double the heartache, plus the very real possibility of infection. The first question my doctor asked was whether I had had a negative HPT after the m/c and before the BFP.
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