I'm a first timer and visited my OB at 3w4d pregnant. They called back saying I was definitely pregnant and it all looked good. I was confused though, because she then said they were prescribing Prometrium 100 mg because of progesterone level being a 13. From what I've read this isn't a bad level for less than 4 weeks. Plus she just sounded so positive. But I have been freaked out and just wondered if anyone else has had their levels checked early and/or taken Prometrium? I'm going for more bloodwork tomorrow and will be 4wk4d then

Thanks!
Re: Progesterone level
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BFP #1: 12/2009 m/c 1/2010 BFP #2: 6/2010 m/c 8/2010
BFP #3: 10/2011 ectopic 11/2011 (right tube removed, learned left tube was probably nonfunctional due to scar tissue from infection after m/c)
3 failed IUIs, IVF #1: 18R, 12M, 10F, 3 poor quality 5d embryos transferred= BFP #4!!!!!
Betas: 9dp5dt: 64 ~14dp5dt: 91 (expecting miscarriage, doubling time of 236 hours) ~16dp5dt: 200~18dp5dt: 500
First Ultrasound at 6w2d revealed two sacs, only one with a heartbeat
LK arrived after 42 weeks on August 14, 2013! Beautiful, healthy, and happy!
TTC#2: IVF booked for April 2015
Surprise BFP#5 February 19, 2015 EDD: November 2, 2015
Betas: 10dpo: 10, 14dpo: 77, 17dpo: 270
First Ultrasound at 5w1d showed a miracle UTE baby! And right ovary ovulation to left fallopian tube.
JD arrived at 38 weeks on October 20, 2015.
TTC #3: Since October 2017. BFP #6 July 2, 2018 EDD: March 16, 2019 [/spoiler]