Stressed out and worried!

Kierstin • Wife to an amazing Husband and Mommy to an amazing little girl 💕
So I'm nine weeks five days and I'm still yet to find the baby's heartbeat on my Doppler! "I'm a big girl around 210 pounds" so I'm guessing the extra cushion could make it much harder! But I'm starting to get worried! Just wondering and if anybody could ease my anxiety?