Which of the following sonographic finding confirms intra uterine pregnancy

A. An echogenic rim along one side of decidua.

B. Two concentric echogenic rings surrounding the sac.

C. A sac positioned eccentrically within endometrium.

D. All of the above.

Correct Answer: All of the above.

Description: Normal gestational sac implants eccentrically in the endometrium. Anechoic center surrounded by single echogenic rim = intra-decidual sign. Two concentric rings echogenic surrounding sac = Double decidual sign.

Category: Gynaecology & Obstetrics

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