Talk to Gynecologist on Miscarriages Early Weeks

I have my daughter before that i had 3miscarriages in which nothing formed only sac.then my husband went to andrologist he gave Clomid and qaz plus and coq10 to husband for month then had successful pregnancy.Now we want to try another baby.He went to same andrologist he gave leterozole (let z) and car L this time for 1month.But my husband have two Times diarhoea during taking it so he completed that 30 tablets in 50days with breaks.i want to try this month can i give me 15days more lez t ?bcz due to diarhhoe he Stopped let z (letrozole) for 15days.can i give 15days more tablets of let z and coq10 so that i Conceive healthy plz let me know koi issue to ni hoga na 10 days zada khany se doc ki recommendation k bger me islie kehre bcz totko me khai hy uno ny mjy dr hy miscarriage na ho is br plz help me