Table 1 Risk factors for ectopic pregnancy [6]
From: Suitable laparoscopic surgery in the treatment of ectopic interstitial pregnancy
Risk factor | Odds ratio |
|---|---|
High risk | |
Tubal surgery | 21.0 |
Sterilisation | 9.3 |
Previous ectopic pregnancy | 8.3 |
In-utero exposure of diethylstilboestrol | 5.3 |
Use of IUD | 4.2–45.0 |
Documented tubal pathology | 3.8–21.0 |
Moderate Risk | |
Infertility | 2.5–21.0 |
Previous genital infections | 2.5–3.7 |
Multiple sexual partners | 2.1 |
Slight risk | |
Previous pelvic / abdominal surgery | 0.9–3.8 |
Cigarette smoking | 2.3–2.5 |
Vaginal douching | 1.1–3.1 |
Early age of first intercourse (< 18 years) | 1.6 |