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. 2016 May 9;31(7):1094–1099. doi: 10.3346/jkms.2016.31.7.1094

Table 1. Clinical characteristics of patients with heterotopic pregnancy.

Variables No. (%) of patients
Total No. of patients 48
Age, mean ± SD (range), yr 33.0 ± 3.0 (26-39)
Gestational age at diagnosis, mean ± SD (range), wk 7.5 ± 1.2 (5.4-10.3)
Post curettage status due to abortion (delayed diagnosis) 6 (12.5)
Reproductive technology
 Clomiphen citrate and timed coitus 1 (2.1)
 Superovulation and intrauterine insemination 7 (14.6)
 Fresh non-donor in vitro fertilization 33 (68.8)
 Frozen-thawed cycles 7 (14.6)
Intrauterine pregnancy
 Singleton 40 (83.3)
 Twin 8 (16.7)
Clinical manifestations
 Asymptomatic 7 (14.6)
 Abdominal pain 40 (83.3)
 Vaginal bleeding 7 (14.6)
 Hemoperitoneum 33 (68.8)
Site of ectopic pregnancy
 Tubal (right vs. left) 34 (70.8) (17 vs. 17)
 Interstitial (right vs. left) 9 (18.8) (2 vs. 7)
 Cervical 2 (4.2)
 Unknown 3 (6.3)
Treatment
 Laparoscopic salpingectomy 33 (68.8)
 Laparotomy 10 (20.8)
 Methotrexate (postcurettage status[2], cervical pregnancy[1]) 3 (6.3)
 Induced abortion (cervical pregnancy) 1 (2.1)
 Expectant management (tubal abortion) 1 (2.1)
 Blood transfusion 9 (18.8)