Hcg levels??

Natashia • 28 yr old Wife & Mother of 2boys and 2 girls Mike 14, Mahari 7, Makaylee 3, Milli 2,
My doctor said my hug levels were 2900 two days ago and now I'm 5 weeks exactly but could it be multiples? Twins do run in my family. This the chart I was looking at..my number would be a 35