Pharmacokinetics of drugs in fetus Absorption(fetus) Blood skin circulation placental swallow barrier Gastrointestinal Serum of mother amniotic fluid tract Re-absorption Blood ->Drug discharged into amniotic fluid circulation with fetal urine 11Absorption(fetus) placental Gastrointestinal swallow skin Blood circulation Pharmacokinetics of drugs in fetus barrier 11 amniotic fluid Gastrointestinal tract swallow Drug discharged into amniotic fluid with fetal urine Blood circulation serum Serum of mother Re-absorption