About progesterone...the placenta starts making appreciable levels of it at 7 weeks and usually by 9-10 weeks totally takes over. Before that you have your ovaries/corpus luteum. In IVF they supplement because they suck out a lot of the contents of the follicles so the corpus lutea are not as productive as in a regular cycle but you should also have quite a few of them so together they are probably OK.
In a medicated FET you basically have to completely supplement as your body is not making any of its own. I take suppositories 3x per day and I also give myself PIO shots. A huge part of getting through first tri for me will be getting off butt shots haha!
ILT: it's tomorrow. But I took a Clearblue with weeks indicator last night and it said 2-3 weeks pregnant. According to some people on the interwebs that should mean my beta is >201. I hope they are right!
I think I'll hold off on the ticker until I see a heartbeat.
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