Early pregnancy

A free gallery of high-resolution, ultrasound, color doppler and 3D images

Ultrasound images of early pregnancy:

1) Bicornuate uterus with gestation sac:

The above ultrasound images show a bicornuate uterus with a gestation sac in the right cornu (1). The empty left cornu (2) shows typical decidual changes of pregnancy. The 3rd image (bottom) is a sagittal section through each cornu.

Images courtesy of Dr. Ravi Kadasne, UAE.

2) Cornual pregnancy:

B mode 2D image : 3D image:

Sonography of the uterus shows a gestation sac of 6 weeks 4 days age, in the right cornu of the uterus. 3-D image of the uterus further confirms the findings. These ultrasound images are diagnostic of cornual pregnancy (a type of ectopic pregnancy). Ultrasound images courtesy of Dr. Latha Natrajan, Bangalore, India.

Reference: 1) http://www.thefetus.net/page.php?id=4 (free article)

2) http://www.jultrasoundmed.org/cgi/reprint/25/6/791.pdf (free article)

3) Another example of cornual or interstitial pregnancy:

These ultrasound and color Doppler images show a gestation sac of 15mm. in the right cornu of the uterus (interstitial region of the fallopian tube). This patient had undergone IVF with embryo transfer 1.5 months back. The transvaginal Color / Power Doppler images (below) show a ring of vessels around the sac with a yolk sac (image lower right) within the gestation sac. No embryo is visualized at this stage. Note the empty endometrial cavity which shows decidual change. This pregnancy needs to be terminated with urgent surgical intervention.

Reference: http://www.medscape.com/viewarticle/557082_4

4) Sonography of ruptured ectopic (tubal) pregnancy with pelvic hemorrhage:

Sonography of the pelvis done on this female patient with pelvic pain and tenderness revealed: 1) enlarged (bulky) uterus with grossly thickened endometrium (decidual cast) of almost 15 mm. The uterus shows absence of any gestation sac. No pseudosac is seen. 2) Transvaginal scan of the pelvis shows a large collection of hemorrhagic fluid in the cul de sac 3) A right adnexal mass, presumably in the Right Fallopian tube is also seen. A left ovarian hemorrhagic cyst is also present.

These ultrasound images suggest a right tubal gestation with hematosalpinx with rupture of the Rt. Fallopian tube.

Ultrasound images courtesy of Dr. Gunjan Puri, Surat, India. The ultrasound machine used was the Toshiba Xario.

4) HETEROTOPIC GESTATION (also called Heterotopic pregnancy or simultaneous intrauterine and extrauterine pregnancy or coexistent intrauterine and extrauterine pregnancy):

(Transvaginal scan images):

TRANSABDOMINAL SCAN:

This patient presented with signs of early pregnancy with left sided pelvic pain and tenderness. Sonography of the pelvis shows an intrauterine pregnancy with a 6 weeks size embryo in the uterine cavity. There is also a coexistent left adnexal mass with a yolk sac like structure measuring 3 mm. and a possible embryo in the sac (6 weeks size). The right and left ovaries are separately identified on transvaginal ultrasound. These ultrasound images suggest heterotopic gestation (intrauterine embryo and a gestation sac in left adnexal region). Ultrasound images courtesy of Dr. Gunjan Puri, Surat, India. He used a Toshiba Xario ultrasound system here.

Reference: http://www.thefetus.net/page.php?id=3

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This page was last edited on: Monday May 04, 2009 11:55 AM

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