I love Cody Rigsby and Robin Arzon! Their playlists are amazing and their energy is so fun.
I was bummed that there aren't more maternity cycling short options out there, but I've been able to make do by purchasing really stretchy cycling underwear shorts (https://www.amazon.com/Underwear-Comfortable-colorful-Printing-XX-Large/dp/B0752XWSR1/ref=sr_1_1?dchild=1&keywords=twotwowin+women%27s+3d+padded&qid=1596464591&sr=8-1) and then throwing these maternity yoga shorts on top: https://www.amazon.com/Maternity-Workout-Running-Athletic-See-Through/dp/B07PTYC8B8/ref=sr_1_5?dchild=1&keywords=maternity+biker+shorts&qid=1596464619&sr=8-5