“…Subsequently, eight authors [2, 4, 13, 14, 16, 20, 22, 23] reported selective embryo reduction performed using transvaginal ultrasound-guided KCl injection or potassium chloride and methotrexate (MTX) injection into the ectopic gestational sacs between 6 and 10 weeks of gestation, with no complications arising during the procedures. Most pregnancies were uneventful throughout, except for one patient where some vaginal bleeding and uterine contractions occurred at 28 and 34 weeks, respectively.…”