Obstetrics
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Risk Factors for Preterm Delivery
[checklist name="Q1" value="Bacterial vaginosis=1|Black race=1|Cocaine or heroin use=1|History of abdominal surgery=1|History of cervical conization or a loop electrosurgical excision procedure of the cervical transformation zones=1|History of preterm delivery=1|Infections of the urinary and genital tracts=1|Intrauterine infection=1|Low prepregnancy body mass index (less than or equal to 19.8 kg per m2)=1|Medical disorders such as thyroid disease, diabetes mellitus, or hypertension=1|Mother's work is physically strenuous=1|Multiple gestation pregnancy=1|Periodontal disease=1|Polyhydramnios or oligohydramnios=1|Sexually transmitted infections (i.e., chlamydia, gonorrhea, and trichomoniasis)=1|Short pregnancy interval (less than 18 months between pregnancies)=1|Shortened cervix (less than 25 mm before 28 weeks gestation)=1|Tobacco use=1|Uterine anomalies=1|Vaginal bleeding caused by placental abruption or placenta previa=1"]
Number of Risk Factors --> [calc value="score1=(Q1)" memo="number"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).isNot('')"]
Reference:
[link url="https://www.ncbi.nlm.nih.gov/pubmed/18177778" memo="#1"] Goldenberg RL, Culhane JF, Iams JD, Romero R. Epidemiology and causes of preterm birth. Lancet. 2008 Jan 5;371(9606):75-84. [/conditional]
Risk Factors for Preterm Delivery

Number of Risk Factors --> numberscore1=(Q1)
display/hide references
Result - Copy and paste this output: