Loads of fabulous advice on here. Well done, girls!
Welcome, Twunk, so sorry you have had to go through such a harrowing time, but very pleased to hear that your DS is in remission. I can't imagine how worried you must have been. 
Chewy, that's really interesting about the aspirin. For a long time I had been taking it during the 2ww. I have stopped in the last few months - I am pretty well off all supplements. Seems pointless. However, I'll feel like a complete idiot if a bfp was to show up out of the blue and I haven't been taking folic acid. I probably only have a 1% chance of pregnancy at my age, but it's still a chance, no matter how tiny, right? And my GP had great delight telling me (when I got pregnant last March) that I wasn't the same as other 47 year olds, that my fertility wasn't nose-diving like the average "woman". Hasn't helped keep a pregnancy though
Anyway, I should just start taking a prenatal again. I have a cupboard full of all sorts of sups, I just can't seem to get a routine going.
I am pretty sure AF will be on her way in the next few days. That's ok, as I didn't expect anything this month.DH has a sore back, but getting treatment, so hopefully in the next couple of weeks he'll be able to DTD. I do worry about all the anti-inflammatories he's been taking. Would that affect sperm? Actually, I think his thyroid is still not quite right - he's on medication, but I think the dose is wrong. He's having a blood test next Thursday to find out. Maybe that's affecting the quality of his sperm. I am really grasping here, but there may be something in it?
I think my progesterone may be lowish too. I have taken my temperature a few times in the tww, and it really isn't very high (it used to be much higher). It doesn't surprise me that it would be lowish at my age. I believe a B supplement can help, so I might add that. Is it B12 or 6? I think it has to be a B complex?
I have tried a progesterone cream, but I am a bit unsure about the stuff. I've read such conflicting stuff: some women swear by it, others say it made no difference, and there seems to be little scientific proof. I think if you are worried about low progesterone, then it is worth having a blood test done, to find out for sure, then have the script ready for when you get a bfp.
Some of you may have read about my struggles to get that happening last year. I live in a rural city (it's rather like a big town, not a city) and we have tonnes of GP's but few "specialists" (what you'd call consultants - I am in Australia). I have two gp's, one a woman, whom I really like, but is impossible to get an appointment with as she does all the obstretrics in town, the other, my family gp, who has been looking after my family for 18 years, delivered three of my babies, but knows little about fertility. Anyway, I asked my female GP to give me a script for progesterone, as I had hoped it might be the key to helping me keep a pregnancy. She prescribed three different things: all were completely wrong for pregnancy (tablets, one was estrogen hrt, one was for bringing on AF, the other was another form of estrogen!) In the end she didn't want to prescribe anything, even after I emailed her the information on what I should take - she wanted to send me to a fertility specialist in the big city, but I didn't want to go as I am pretty sure they would just tell me to stop being silly and do DE IVF). She did , however, test my progesterone level at day 21, and it was fine - but that was a while ago.Then when I got pregnant early last year, I saw my other GP and asked if he'd prescribe progesterone. He told me he felt it was pointless, that my body would produce it and all would be well. I miscarried that pregnancy, but I think it was just a chromo issue.
So, it has been close to impossible to get progesterone, and so I bought the progesterone cream. I guess if I was 100% ttc (rather than supposedly throwing in the towel and being realistic) I would see a specialist and maybe get the script for the pesseries. But there would be a huge expense in seeing a specialist and I can't really justify it.
Sorry about the novella 
I'd better get ready to run DD's into work. I think I'll take DS too and visit his cousins, he will love that.