You’ve likely heard his heartbeat and seen imagery of him by now, waving his little arms around, though it will be weeks ...

It's totally normal to wonder about your baby's size ... 18 weeks 8.74 inches 7.87 ounces 22.2 cm 223 grams 19 weeks 9.45 inches 9.63 ounces 24.0 cm 273 grams 20 weeks 10.12 inches 11.68 ounces ...