BBT temperatures

Nicola • Married. 29 years old. Mmc at 11 weeks July 2015 and mc at 4+3 weeks Nov 2015. Pregnant with baby girl due 30.07.17 ♡♡
Are my luteal phase (post ovulation) temps too low? I've had 6 mcs so have decided to chart to see if my temps indicate low progesterone (am also having progesterone bloods)