Ultrasound in Early Pregnancy
Contents
- 1 Transvaginal ultrasound is —————– to transabdominal ultrasound for early pregnancy evaluation
- 2 All of the following are Indication of First Trimester Ultrasonography EXCEPT
- 3 Double decidua sign of the gestational sac is due to the interface between –
- 4 Heuser’s membrane: all of the following are TRUE Except-
- 5 Yolk sac should be seen when the gestational sac reaches
- 6 Fetal pole should be seen when the gestational sac reaches
- 7 All are correct about common findings in ‘Choriodecidual reaction’ EXCEPT –
- 8 Double decidual sac sign is a useful feature on early pregnancy ultrasound to confirm
- 9 Intradecidual sac sign is a useful feature in identifying
- 10 In shorts
- 11 Double decidual sac sign also known as –
Transvaginal ultrasound is —————– to transabdominal ultrasound for early pregnancy evaluation
A. Superior
B. Inferior
C. Equivalent
D. Transvaginal ultrasound is contraindicated in early pregnancy evaluation
All of the following are Indication of First Trimester Ultrasonography EXCEPT
A. Suspected ectopic pregnancy
B. Vaginal bleeding
C. Liquor volume
D. Suspected molar pregnancy
Double decidua sign of the gestational sac is due to the interface between –
A. Heuser’s membrane and chorion
B. Decidua and Chorion
C. Decidua and Amniotic sac
D. Yolk sac and Amniotic sac
Heuser’s membrane: all of the following are TRUE Except-
A. Also called as Exocoelomic membrane
B. Lines the outer surface of the cytotrophoblast
C. It surrounds the primary yolk sac
D. Short lived combination of hypoblast cells and extracellular matrix
Yolk sac should be seen when the gestational sac reaches
A. 10mm
B. 15mm
C. 20mm
D. 30mm
Fetal pole should be seen when the gestational sac reaches
A. 10mm
B. 15mm
C. 25mm
D. 35mm
All are correct about common findings in ‘Choriodecidual reaction’ EXCEPT –
A. Seen in very early pregnancy
B. Thinning of the endometrium around the gestational sac
C. Seen as an echogenic rim on ultrasound
D. Thin decidual reaction of <2 mm suggests anembryonic pregnancy
Double decidual sac sign is a useful feature on early pregnancy ultrasound to confirm
A. Tubal pregnancy
B. Twin Pregnancy
C. Intrauterine Pregnancy
D. Fetal anomaly
Intradecidual sac sign is a useful feature in identifying
A. Tubal pregnancy
B. Twin Pregnancy
C. Intrauterine Pregnancy
D. Fetal anomaly
In shorts
Structure is seen by USG in early pregnancy – Level of β-hCG
| Structure is seen in Pregnancy | USG | Level of β-hCG |
| Gestational Sac | TVS | β-hCG level is 1,000–1,200 mIU/mL |
| Gestational Sac | TAS | β-hCG 6,000 mIU/mL |
| Yolk sac | β-hCG 7,000 mIU/mL | |
| Embryo | β-hCG 11,000 mIU/mL. |
Double decidual sac sign also known as –
- Double decidual sac sign
- Double decidual sign
- Double sac sign
