Doppler success?

Reece
Who on here is around the 9 week mark and has used a Doppler with success? I keep seeing people that are less than 9 weeks that have heard their baby. I have been searching for a couple weeks now and *maybe* caught a glimpse of it. I try at least once a day, with no success. 
If you have found it, where are you searching ? What area? I found my sons at 9 weeks, but this one is being more difficult. 

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