Early clinical features and risk factors for cesarean scar pregnancy: a retrospective case-control study
Lanrong Luo1,2, Xiangyan Ruan1,3, Changdong Li2
1a Department of Gynecological Endocrinology, Beijing Obstetrics and Gynecology Hospital , Capital Medical University , Beijing , China.
The aim of this study was to investigate early clinical features and risk factors for cesarean scar pregnancy (CSP). Study group of 206 CSP patients out of 6853 women with early pregnancies, diagnosed from 2014 to 2016 was compared with a randomly selected control group of 412 patients. Early clinical features for CSP were vaginal bleeding (OR: 9.65; 95% CI: 5.67-16.41), lower abdominal pain (OR: 3.8; 95% CI: 1.52-9.54) and increased white blood cells (OR: 1.30; 95% CI: 1.12-1.50). Important risk factors for CSP were artificial abortion within the last pregnancy (OR: 4.13; 95% CI: 2.23-7.66), 0 ∼ 1 year and 2 ∼ 3 year interval between present and last pregnancy (OR: 2.27; 95% CI: 1.11-4.67 and OR: 2.15; 95% CI: 1.15-4.03). Pregnancy problems are important issues within the scope of 'Gynecological Endocrinology'. Vaginal bleeding and lower abdominal pain, although unspecific, could be early clinical symptoms of CSP, especially if main risk factors exist such as abortion within the last pregnancy and short interval to the last pregnancy. Knowing this can help for prevention and early diagnosis CSP which can reduce life-threatening complications such as massive hemorrhage and can avoid hysterectomy. Consequence also must be to avoid unwanted pregnancies by using effective contraception, especially in risk patients.
The aim of this study was to investigate early clinical features and risk factors for cesarean scar pregnancy (CSP). Study group of 206 CSP patients out of 6853 women with early pregnancies, diagnosed from 2014 to 2016 was compared with a randomly selected control group of 412 patients. Early clinical features for CSP were vaginal bleeding (OR: 9.65; 95% CI: 5.67-16.41), lower abdominal pain (OR: 3.8; 95% CI: 1.52-9.54) and increased white blood cells (OR: 1.30; 95% CI: 1.12-1.50). Important risk factors for CSP were artificial abortion within the last pregnancy (OR: 4.13; 95% CI: 2.23-7.66), 0 ∼ 1 year and 2 ∼ 3 year interval between present and last pregnancy (OR: 2.27; 95% CI: 1.11-4.67 and OR: 2.15; 95% CI: 1.15-4.03). Pregnancy problems are important issues within the scope of 'Gynecological Endocrinology'. Vaginal bleeding and lower abdominal pain, although unspecific, could be early clinical symptoms of CSP, especially if main risk factors exist such as abortion within the last pregnancy and short interval to the last pregnancy. Knowing this can help for prevention and early diagnosis CSP which can reduce life-threatening complications such as massive hemorrhage and can avoid hysterectomy. Consequence also must be to avoid unwanted pregnancies by using effective contraception, especially in risk patients.
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