Ultrasound results

Well, we went in for the ultrasound yesterday and everything is looking good. We saw the sac and the Dr. measured the yolk. Sounds like an egg right? The 'baby' is very tiny, only about 4mm in length (if I remember correctly). It appears that there is only one itty bitty (Oksana's code name for the baby), so unless they are identical there are no twins in our immediate future. They took more blood from Oksana for more tests and we have an appointment again on January 20th. We might be able to hear the heartbeat at that appointment (she'll be 8 weeks along).