Go to a park, lake, pavilion, the leaves are beautiful and you can do a indoor shoot on your couch, bed, in your living room, kitchen, dining room, backyard you can take fun bubble
images of your belly in your bathtub. If you got a moby wrap use it wrap it around your bra and down your back then around your underwear take a few belly shoots. Get a tripod and put on the timer and get your husband in some of them pregnancy images too. The images don't have to be perfect jest fun.