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Early pregnancy ultrasound findings and pictures at 5 to 6 weeks
Advanced Fertility Center of Chicago
Gurnee & Crystal Lake, Illinois
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IVF pregnancy ultrasound at 5 weeks 2 days from last menstrual period
Five week pregnancy ultrasound with sac and yolk sac
Transvaginal ultrasound of a normal pregnancy at 5 weeks 2 days of gestation
Gestational sac (black area ) is seen - measures 6.25mm diameter
Yolk sac (small white circle in the left side of the sac) is a source of nutrients for the fetus
Fetus is too small to be seen this early
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Identical twin pregnancy ultrasound
Ultrasound of another pregnancy at same gestational age as above, but with identical (monozygotic) twins
One gestational sac is seen with 2 yolk sacs visible inside it
This results from an early embryo dividing into 2 genetically identical embryos
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The vast majority of twins from assisted reproductive technology procedures are not "identical", but result from implantation of 2 embryos that were the result of fertilization of 2 different eggs, as shown in the ultrasound below
Ultrasound of a twin pregnancy that resulted from implantation
of 2 genetically different embryos (fraternal twins)
Yolk sacs and fetal poles (the early fetus) are seen in 2 completely separate sacs.
This pregnancy is at 6 weeks
Transvaginal ultrasound of a normal pregnancy at 6.5 weeks of gestation
Transvaginal ultrasound of a normal pregnancy at 8.5 weeks of gestation
Transvaginal ultrasound of a normal pregnancy at 12 weeks of gestation
