You will likely see the gestational sac and maybe the yolk sac.
At 19 days post conception, you can't even see the gestational sac on ultrasound let alone an embryo or heart beat.
At three weeks you have likely just implanted (assuming ovulation and conception at two weeks) and there would be no sac visible. According to some websites, it can be seen as early as 4 weeks. Personally speaking, I had an early ultrasound at 4 weeks and no sac was visible. A gestational sac and yolk sac were visible at 5.5 weeks.
Around 5 weeks you can see the gestational sac.
No, you'll see only the yolk sac and the gestational sac which turns into the placenta.
You can usually see the gestational sac at 5 and a half weeks.
Mine was seen at 4weeks 5days
It is possible that you may have a molar pregnancy. You should see your doctor for more information.
It was difficult to see the line that represents the very beginning of the embryo. Most likely, the gestational sac was seen on the ultrasound.
At this point in the pregnancy, you should still see a gestational sac. You may however not see a fetal pole or a heartbeat and that is normal for another week or so.
You can normally see a Gestational Sac around 4 weeks pregnant, A fetal pole and yolk sac around 5 or 6 weeks and heartbeat between 6 and 10 weeks.