30 days shred and TTC?

Kiara • Married Aug 24th 2014. Can`t wait to meet my baby! ❤

Im TTC my #1. Do you think its possible to me to do 30 days shred by Jillian Michaels, as her workout is very intense and all? Or should I stick with light cardio?

Fyi last time I did 30 days shred until day 4, and I feel like I almost faint everytime. Lol