Test 3 Part 4 Flashcards
What is the term for when some, but not all, of the products of conception have been passed?
Incomplete Abortion (retained parts may be part of the fetus, placenta, or membranes)
What is the term for a pregnancy in which there is a fetal demise (usually fort a number of weeks) but no uterine activity to expel the products of conception?
Missed Abortion
What is the term for a spontaneous abortion that is complicated by intrauterine infection?
Septic Abortion
What is the term for 3 or more consecutive pregnancy losses?
Recurrent Spontaneous Abortion
T/F: Half of pregnancies complicated by bleeding before 20 weeks will end in spontaneous abortion.
True
What percentage of spontaneous abortions are due to chromosomal abnormality?
49%
T/F: Alcohol use, IUD use, caffeine use, cocaine use, anesthetic gas use, and conception within 3-6 months after delivery are all risk factors for spontaneous abortion.
True
How much of decrease in risk of spontaneous abortion occurs when a fetal heartbeat is identified on Ultrasound?
risk decreases from 50% to 3%
What does the “anniversary phenomenon” pertain to?
spontaneous abortion; patients should be warned about this during counseling
What condition occurs when the placenta implants over or near the internal os of the cervix which leads to vaginal bleeding in the 2nd and 3rd trimesters?
Placenta Previa (5/1000 deliveries)
What are the 4 grades of Placenta Previa?
Total, partial, marginal, and low-lying
At what weeks does vaginal bleeding typically occur when it is due to Placenta Previa?
27-32
How is Placenta Previa diagnosed?
Ultrasound
What is the term for separation of the normally located placenta after the 20th week of gestation? How common is this?
Abruptio Placentae;
1% of pregnancies
Classes of Abruptio Placentae range from Class 0 to Class 3. Which is the most severe?
Class 3 (Class 0 is asymptomatic)