5 week - only see yolk sac 6 week - see the fetal pole and measuring 0.5cm 7 week - baby is measuring 0.98cm and have heartbeat 8 week - doubled up to 1.8cm
Tiny. Really tiny. Few millimetres at most. It’s much nicer to do the ultrasound at around 8 weeks. Then you can see the heartbeat too 😊