Pregnancy diagnosis using a real-time ultrasound

Interpretation of what you see

Not pregnant	17 days of gestation	18 days of gestation
19 days of gestation	21 days of gestation	22 days of gestation
23 days of gestation	24 days of gestation	25 days of gestation
26 days of gestation	28 days of gestation	30 days of gestation
45 days of gestation	85 days of gestation	95 days of gestation