What is the predominant etiology in the first trimester and spontaneous abortio, before 20 weeks?

For measuring Nuchal Translucency (x) Calipers are used.

lung hypoplasia not compatible with life occurs with ———-. 

a pregnant patient presents with a positive hCG level but the transvaginal ultrasound shows neither an intrauterine fluid collection or adnexal abnormality, a pregnancy may exist in an unknown location.

Cocaine side effects in the pregnancy outcome includes:

The first sonographic sign of the pregnancy is——–.

A female fetus with a mass in the abdomen, suspicious to ovarian cyst due to maternal hormone, was born with paleness and anemia. Which of the following is correct about the fetal ovarian cyst?(Look up the answer in the images. Hegan Textbook

Ovarian cysts do not represent the most common cystic mass in female fetuses. 

Visualization of the Embryo:——- Weeks of Gestational Age.

Which of the following is the most common pelvic mass in the pregnancy?