Letrozole vs Chlomid

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I tried 2 rounds of Chlomid - 50mg then 100mg and did not ovulate either time. My doctor approve 5mg of Letrozole today so I will be taking provera for 10 days and trying this on days 3-7 of my next cycle.

Has anyone here had success on Letrozole when Chlomid didn’t work?

I’m 29 and about 120 lb, never had a regular cycle my entire life and been ttc for 9 months. The “what if’s” are racing through my mind and not sure if <a href="https://glowing.com/glow-fertility-program">IVF</a> if is my only option left if I can’t get my body to ovulate? :(