Gestational Flashcards
Ectopic Most Common Site and RF
Lumen of fallopian tube
Scarring - PID, endometriosis, etc
Spontaneous Abortion 3 Causes
Most often chromosomal abnormalities (especially Trisomy 16)
Hypercoagulable states (antiphospholipid syndrome)
Exposure to teratogens (especially within 1st 2 weeks)
Teratogen Exposure Timeline (3)
First 2 weeks - spontaneous abortion
Weeks 3-8 - organ malformation
Months 3-9 - risk of organ hypoplasia
Placenta Previa
Implantation of placenta in lower uterus overlying cervical os. Causes PAINLESS 3rd trimester bleeding and needs C section usually
Placental Abruption
Separation of placenta from decidua prior to delivery. Common cause of still birth and presents with PAINFUL 3rd trimester bleeding and fetal insufficiency. See blood on maternal surface of placenta
Placenta Accreta
Improper implantation with little or no intervening decidua, presents with difficult delivery and a shitload of postpartum bleeding so often need hysterectomy
Preeclampsia (what it is, symptoms, cause, vascular effect)
Pregnancy-induced HTN, proteinuria, and edema, usually in 3rd trimester
Can be very severe and cause headaches/visual disturbances
Due to abnormality in maternal-fetal vascular interface (have fibrinoid necrosis in vessels of placenta), resolves on delivery
Eclampsia (what it is and treatments)
Preeclampsia with seizures. Mandates delivery usually. Treat seizures with IV Magnesium but can give too much, causing decreased DTR, PEdema, cardiac conduction problems
HELLP
Preeclampsia with thrombotic microangiopathy (thrombi sheer RBCs) involving liver, characterized by Hemolysis, Elevated Liver enzymes, and Low Platelets. Also generally mandates delivery
SIDS (age, 3 RFs)
1 month to 1 year
Sleeping on stomach, cigarette smoke exposure, prematurity
Hydatidiform Mole (what it is, presentation w/ and w/out prenatal care, treatment, cancer risk)
Abnormal conception characterized by swollen and edematous villi with proliferation of trophoblasts
Uterus gets much larger than normal and more hCG than normal
Presents in 2nd trimester with passage of grapelike masses from vagina (if no care)
Absent fetal heart sounds and “snowstorm” appearance on US if care
Tx is D&C
Cancer risk is choriocarcinoma, monitor with Beta hCG testing
Choriocarcinoma from Gestation vs. Choriocarcinoma from spontaneous germ cell tumor
Gestational responds well to chemo, spontaneous germ cell does not
Complete vs. Partial Mole (genetics, fetal tissue, villous edema, trophoblastic proliferation, risk for choriocarcinoma, hCG levels)
Empty ovum fertilized by 2 sperm - 46 chromosomes vs. normal ovum fertilized by 2 sperm - 69 chromosomes
Absent vs. present
Almost all villi hydropic vs. some
Diffuse, circumferential proliferation vs. focal around hydropic villi
2-3% vs. minimal
Super elevated vs. slightly