early pregnancy complications Flashcards
some early pregnancy complications?
ectopic
miscarriage
molar pregnancy
risk of miscarriage is greatest before __ weeks gestation
before 13 weeks
main symptom of miscarriage?
vaginal bleeding
gold standard investigation for miscarriage?
pelvic (transvaginal) ultrasound scan
what is cervical shock ?
occurs when POC are sitting at the internal cervical os and dilating it. Can present as cramps, N&V, sweating, fainting.
treatment for cervical shock?
prompt removal of the foetus (& serial HCG measures in pregnancy of unknown location)
some causes of miscarraige?
maternal age >35 trisomy 16 APLS PCOS, diabetes, SLE, thrombophilia, thyroid dysfunction alcohol, cocaine, smoking iatrogenic (CVS)
which infections increase risk of miscarriage?
CMV, rubella, toxoplasmosis, PB19, listeria
main types of miscarriage?
threatened inevitable incomplete complete missed
describe a threatened miscarriage?
vagina bleeding but cervical os is closed
describe an inevitable miscarriage?
bleeding and cervical os is open
describe an incomplete miscarriage?
bleeding and POC at cervical os
may present as cervical shock
describe a complete miscarriage?
bleeding, cervical os closed, no retained POC
what is an anembryonic pregnancy (pseudo-sac)?
no embryo, no foetal heart/pole
what is a blight ovum?
missed miscarriage, where embryo stops developing before heart/pole was established. Sac can keep growin
how can a miscarriage be managed?
expectant
medical (misoprostol)
surgical (MVA/D&C)
emergency
which drug is used in the medical management of ectopic pregnancy?
misoprostol
a progesterone analogue and potent uterine stimulant
what are the indications for surgical removal of an ectopic pregnancy?
molar pregnancy
infected retain POC
unsuccessful expectant/medical management
risk of recurrence after one, two, and three miscarriages?
risk after one - 10-20% risk (no increase)
risk after two - 20% increase risk
after 3 - 40% increased risk