@drpoppyBHRT Had ultrasound that gestational sac measured 5.3 weeks. Showed yolk sac. But hcg is over 20,000. Dr said should have seen more? 4th baby, 5th pregnancy. Previous molar in 2nd pregnancy. I'm concerned. Could it be molar? Twins with one missed? Or just higher numbers for 5 weeks? I know you can't answer for sure, but any insight?