Epidemiology


Etiology


Pathophysiology


Classifications

TypeVaginal BleedingCervical OsU/S Findings
ThreatenedPresent (often light)ClosedViable IUP with fetal cardiac activity present.
InevitablePresent (often heavy)OpenIUP, may be in lower uterine segment; fetal cardiac activity may be present or absent.
IncompletePresent (heavy)OpenRetained products of conception (POC); often an empty gestational sac or thickened, irregular endometrial stripe.
CompletePresent, but often slowing/stoppedClosedEmpty uterus with a thin endometrial stripe; no adnexal mass.
MissedAbsent or scant brown dischargeClosedNo fetal cardiac activity; retained embryo/fetus without passage of tissue.

Clinical features


Diagnostics


Treatment


Complications

  • Septic abortion
    • Definition: an infection of the placenta and fetus before 20 weeks’ gestation which is inevitably associated with fetal death
    • Risk factors
      • Pregnancy termination with retained POCs (products of conception)
    • Microbiology
    • Clinical presentation
      • Fever, lower abdominal pain
      • Malodorous, purulent cervical discharge
      • Tender uterus with dilated cervix