Between 8 – 12 weeks of pregnancy is a good time for a dating scan. A 2-D image of a baby at about 8-9 weeks.

Is 7 weeks to early for an ultrasound?

They look at your babys measurements, which are very predictable in the first 8-11 weeks. An ultrasound up to 12 weeks should be able to predict your gestation accurately within 3-5 days. 7 weeks is definitely not too early to see your baby, but the image might be different from what you imagined.