Trying to stay in shape

Allison โ€ข 26. Married for 4 years. 22mo ๐Ÿ‘ฆ๐Ÿผ. 1 angel baby ๐Ÿ‘ถ๐Ÿผ. ๐Ÿคฐ๐Ÿผ๐ŸŒˆ due in Nov2018
I'm 6 weeks pregnant and before I was a regular at the gym. Now I'm trying to stay in shape..but gah all I want to do is sleep! On top of that I get out of breath so fast!! Any April mommas with some tips of how they are keeping in shape!?