Khloeee
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Khloeee - I don't really understand how progesterone works! Does ur body make more of it when it knows ur pregnant or does it gradually increase everyday anyway n just doesn't stop because u are pregnant? I hate not knowing these things! N I didn't know there was anythin in vit B complex that u shouldn't have in pregnancy...I wish it was easier to find this type of info. Hope it feeling ok n staying positive x
The niacin thing... the 'safe' recommendation is no more than 35mg. My B-complex has 100mg in it. It is suspected that high levels of niacin in the first 12 weeks of pregnancy can be linked to birth defects, but as they can't test these things out specifically, I can't find conclusive info on this. As wih taking most things in pregnancy, the general advice is to err on the side of caution and NOT take anything questionable. My plan is to carry on taking 100mg B6 and 100ug B12 for a week or so (if I make it past my usual danger zone), then I will slowly reduce the quantities until I reach 50mg B6 and whatever amounts of B6 and B12 are in pregnacare. I've also stopped taking the cod liver oil pills, as that is also questionable in the first trimester.
The progesterone increase.... I think it's a gradual thing. Once you get past the first few weeks of conception, you produce more, and once the placenta fully takes over progesterone production in the 2nd trimester, you are producing large amounts. In the 2WW, it won't be massively high, but it just needs to be high enough to stop the corpus luteum from breaking down - triggering shedding and the onset of AF (this is where I suspect things have been failing for me). Although, I am definitely no expert and am just guessing... it might not affect my progesterone bolod test results at all.... only time will tell, really.