TEN day of femara instead of five??

Pauline 🌈 • Eleven angels in heaven. "Somewhere, over the rainbow, skies are blue..."
Hello lovely ladies!! 
This is our first full cycle working with an RE, and she has me on TEN days of femara. I'm taking 2.5mg cd3-12. My ob had me on 5mg cd3-7 and then 7.5mg cd2-6....I haven't really seen anyone on it for ten whole days before?? 
We are able to conceive fairly easily, our problem is recurrent early loss (8 so far 😢).  I go in for a trigger shot and ultrasound next Tuesday. Will the extended dose make for a better ovulation?? We've ruled out so many things for our losses...we are in the "unexplained" category. 
Thanks ladies!