Epidemiological risk factors in PE and miscarriage

PE Miscarriage
Inadequate induction of tolerance
  First pregnancy ×
  The second pregnancy reduces the risk, even if the first pregnancy is a miscarriage ×
  First pregnancy with a new partner in multiparous women ×
  More than 10 years after the last delivery, the risk increases even if adjusted by age ×
  IVF-ET ×
Low or lack of semen exposure
  Condom use ×
  Short cohabitation ×
  Sperm donation pregnancy ×
  Egg donation pregnancy
  Embryo donation pregnancy
Fetus is a complete allograft to maternal host
  Egg donation pregnancy
  Embryo donation pregnancy
  Hydatidiform mole
○:

risk factor; ×: not risk factor