While TTC, is it better to have sex only every other day?

Je
The reason I am asking is I just had a miscarriage the end of February/beginning of March and my cycle has now started over. My doctor is doing some blood work throughout my cycle as well to see why. She gave us the go ahead to track ovulation and start actively trying again. She said to be sure to have sex every other day. I have always heard that you should have sex every other day while trying because waiting too long in between can make the sperm weaker. Well if we have sex everyday do you think that could still allow for weak or underdeveloped sperm thus possibly causing a miscarriage? 
I want the best chance at concieving again, but don't want to do something that could cause us to go through the same pain. Last time, which was my first pregnancy, we had sex everyday during my fertile days and got pregnant on the first try.  

Vote below to see results!