Normal TVS Ultrasound and Color Doppler Findings at 6 Weeks of Pregnancy: A Quick Guide

Normal Ultrasound and Color Doppler Findings at 6 Weeks Pregnancy (TVS)

1. Gestational Sac: Round/oval, located within the uterine cavity, mean sac diameter ~10-15 mm.

2. Yolk Sac: Visible within the gestational sac, measuring ~2-5 mm.

3. Fetal Pole: Crown-rump length (CRL) ~2-6 mm, adjacent to the yolk sac.

4. Cardiac Activity: Detectable, fetal heart rate ~90-110 bpm.

5. Myometrium: Normal echotexture, no abnormal masses or collections.

6. Adnexa: Normal ovaries and absence of ectopic pregnancy.

7. Color Doppler: Demonstrates blood flow within the decidua and corpus luteum, if visible.

8. Amniotic Cavity: Beginning to form, visible as a small space around the fetal pole.

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