First Trimester Complications Flashcards
(31 cards)
What causes subchorionic hemorrhage?
implantation
Where is subchorionic hemorrhage located?
Between myometrium & gestational sac
What can excessive hemorrhage cause?
spontaneous abortion
What is the MC occurrence of first trimester bleeding?
subchorionic hemorrhage
What is the difference in US appearance of new and old subchorionic hemorrhage?
New = echogenic, old = anechoic
Both: subchorionic lucency
What is ectopic pregnancy?
Implantation of conceptus outside endometrial cavity
Where can an ectopic pregnancy be located?
- uterine
- heterotopic
- cervical
- ovarian
- adnexal (isthmic, ampullary 90%, fimbrial, interstitial)
- abdominal
What is a heterotopic pregnancy?
IUP & ectopic simultaneously
Who is MC affected by a heterotopic pregnancy?
IVF patients
What are clinical symptoms of heterotopic pregnancy?
- palp adnexal mass
- pelvic pain/bleeding
- leukocytosis/fever
- intraperitoneal hemorrhage
- abnormal rising hCG
What is the sono app of heterotopic pregnancy?
- intrauterine gest sac with extrauterine gest sac
- yolk sac usually identified
- FF
What is an anembryonic gestation?
- AKA blighted ovum
- gest sac in endo cavity
- embryo failed to develop
What are clinical signs of anembryonic gestation?
- variable hCG
- small ut size for dates
- brown vaginal spotting
- closed cvx
What are sono app of anembryonic gestation?
- large, empty gest sac
- absence of double sac sign, embryo, YS
- empty amnion
What is embryonic oligohydramnios? Cause?
- deficient volume of amniotic fluid
- caused by maternal disorders
What are clinical signs of embryonic oligohydramnios?
- decreased fetal movements
- decreased uterine size
What is the sono app of embryonic oligohydramnios?
GS small in comparison to CRL
Serial US to monitor growth
What is gestational trophoblastic neoplasia?
Excessive proliferation of trophoblastic tissue
During or shortly after implantation
Can occur months or years after any form of pregnancy
What are gestational trophoblastic neoplasia symptoms?
- hyperemesis gravidarum
- extremely elevated hCG
- rapid enlargement of uterus
What is partial hydatidiform mole?
- normal egg is fertilized by 2 sperm
- fetus develops but abnormal trophoblastic proliferation
What is complete hydatidiform mole?
- abnormal egg is fertilized by 1 normal sperm
- fetus doesn’t develop but trophoblastic tissue continues
What is the MC form of GTD?
complete hydatidiform mole
Who is complete mole MC in?
women under 20 and over 40
What are people who experience complete hydatidiform mole commonly deficient in?
typically protein and folic acid deficient
