My primary advice would be from experience and knowing others that have had issues doing the same. When it's a fertile day, try and avoid robotic sex, men are quite sensitive and don't want to merely be a sperm donor. So if you can try and make it as spontaneous as you can, even though you know there's a limited window in which to do it.
The main vitamins I focussed on were H&B although I noticed supermarkets are quite competitive now, you can take an all in one B complex, but the individual tablets have more of your RDA. So B6 & B12 are the ones I would take on top of a B complex vitamin. I also took CQ10 which again is quite cheap at super markets, plus an Omega range tablet.
I found out when speaking to a nurse who spontaneously gave me her fertility history, really hoping she's now quite far gone, you can't get baby aspirin any more. If you've had a loss I would try taking aspirin even if your blood clotting profile is ok.
A HysCosy is a delightful procedure, I think we all feel pain differently, but I would definitely take some pain relief before hand. If the Dr is eagerly showing you your insides and you just want it over, don't be afraid to say, 'Lovely you can just carry on if you want.'
Progesterone support is a reason why some pregnancies fail, I've read that during the 2WW and beyond people continue with the B vitamins and add in flax seed or a tablet that gives you a bumper dose of flax seed.
Get your thyroid checked and ask what your result was. Anything over 4 is classed as a problem, it can affect fertility, so you might benefit from a smallish dose of levothyroxine. Between 25mcg & 50mcg, with blood tests to check its making a difference. In one study I did I also had my TSH antibodies tested and other thyroid components. It was an experiment at the time but there should be a few papers about on it now, from Prof Quinn et al.
Don't be afraid to email people like Prof Quinn, detailing your situation. They might offer you an appointment at the fertility clinic. That's how I got a whole barrage of tests and a hycosy done on the NHS despite having DC.
Prolactin is another hormone type thing, produced by your pituarity gland that can cause fertility issues. So it's always worth periodically testing. If you have a few high results they send you for a MRI to see if you've got a benign tumour causing the problems. Please don't panic if this happens, many live without even knowing they have one, they can use tablets to bring down your prolactin.
I don't know if I would go as far to say I swear that pregnacare conception is good, but on fertility friends, they had the post about the supplement post, the makeup of the specific conception brand mimics a lot of what the woman advocates you take.
From reading you all seem aware that ovulating on CD14 is a generalisation, I ovulated on CD19. I used the cheap tests where you get 100 for day £4. I wouldn't recommend the HCG tests even though they're 10 miu as I found being a pee stick lunatic you can't tell if you have an evap line or a positive. Also ladies, I'm as guilty as anyone, pee sticks weren't invented to be taken apart. Exposure to the air could potentially decrease drying time showing an evap as a positive.
Every time I was TTC it was when I'd given up and wasn't all that fussed that I got pregnant. I think even my gynae said that I needed to relax more, I'm not sure if cortisol plays a part, but if you're stressing over it, I'd guess your levels of cortisol would be higher which have a negative impact. I would strongly advocate having a few months where you don't track and just spontaneously have sex. No worrying during the 2WW, just see if AF comes.
I know a few women with endo who got pregnant on the progesterone pill, as it acted as a form of progesterone support. I would say there's no harm in asking your GP if they'll prescribe baby aspirin and a progesterone suppository.
Ooh green tea tablets were meant to be good too. I've still got a load of supplements from TTC, like zinc to improve sperm quality. I did the full protocol when I could afford it, it was quite expensive.
Any questions about laparoscopies please fire away.
I read an article that seemed to infer endo increases your miscarriage risk, in 20 years of being diagnosed I never heard this. I have other autoimmune issues, so I assumed my body reacted to the 2WW like it reacts to everything, attacking it. I took D3 which your GP can prescribe, in fact you could get a full vitamin and mineral profile done, just to make sure you're not lacking at all.
You obviously all know a CD21 test is useless unless you ovulated on CD14.
I can't think of anything else off the top of my head, I get a feeling that grapefruit might have been indicated as a good way to get nice CM. I saw someone tried the cough syrup. There's fertility friendly lubes that can assist.
Honestly any questions at all, please don't hesitate to ask. I had a lot of miscarriages, so I did a lot of research in that area, I had books & did a lot of scholarly reading.
I really do wish you all the very best.
Do you talk about which pee sticks are the best etc?