Abnormal First Trimester

Question 1

What is a pregnancy located anywhere other than the central uterine cavity?

Answer 1

Ectopic pregnancy

Question 2

Where is the most common location for an ectopic pregnancy to occur?

Answer 2

Ampulla portion of fallopian tube

Question 3

What is the abnormal combination of male and female gametes that result in rapid proliferation of trophoblastic cells?

Answer 3

Gestational trophoblastic disease

Question 4

What are the 3 types of gestational trophoblastic disease?

Answer 4

Hydatidiform mole - most common, a sense of fetus or gestational sac

Invasive molar - becomes malignant, invades into myometrium and peritoneum

Choriocarcinoma - most malignant, possible Mets to lung, liver, brain

Question 5

What is a large gestational sac without yolk sac or embryo?

Answer 5

Blighted ovum (anembryonic pregnancy)

Question 6

What are the 5 types of miscarriages/abortions?

Answer 6

Threatened - spotting / low FHR

Missed - spotting, low hCG / intact demise

Incomplete - bleeding, positive hCG / RPOC

Complete - bleeding, negative hCG / normal endometrium

Inevitable - cramping, spotting / low lying GS

Question 7

What is a bleed that is in between the endometrium and gestational sac?

Answer 7

Subchorionic hemorrhage

Question 8

What is the most common pelvic mass visualized during the 1st trimester?

Answer 8

Corpus Luteum (secretes progesterone)