Pregnancy outcome after cervical conisation: a retrospective cohort study in the Leuven University Hospital.
OBJECTIVE
To assess pregnancy outcome after conisation.


METHODS
Retrospective cohort study.


METHODS
Belgium, data from a university hospital.


METHODS
Fifty-five pregnancies in 34 women after conisation, and 55 pregnancies in 54 women without a history of conisation or cervical intraepithelial neoplasia (CIN).


METHODS
Hospital data were reviewed and questionnaires were collected from 599 women who had a conisation in a 5-year period, among whom subsequent pregnancies were identified. The control group consisted of matched pregnancies of women without a history of conisation.


METHODS
Gestational age at delivery, neonatal biometry, neonatal condition at birth.


RESULTS
Numbers of sexual partners (4.6 +/- 3.4 SD versus 2.5 +/- 2.5 SD) and ex-smokers were significantly higher in the study group compared with the control group. Gestational age at delivery (266 +/- 2 days versus 274 +/- 9 days), neonatal head circumference (33.9 +/- 2.5 cm, versus 34.6 +/- 2.5 cm) and birthweight (3088 +/- 754 g versus 3381 +/- 430 g) were significantly lower in the study group compared with the control group. Numbers of preterm [<37 weeks; 14/55 (25%) versus 2/55 (4%); P = 0.002] and severe preterm (<34 weeks; 6/55 (11%) versus 0/55 (0%); P = 0.031] deliveries in the study group were significantly higher. There were no cases of perinatal mortality.


CONCLUSIONS
Conisation affects obstetrical outcome after conisation for CIN. Babies tend to be born earlier and are smaller. It is not clear whether this is related to the procedure or to factors linked with CIN.
van de Vijver
A
A
Department of Obstetrics and Gynaecology, Hospital Sint-Lucas, Brugge, Belgium.
Poppe
W
W
Verguts
J
J
Arbyn
M
M
D001724:Birth Weight; D002508:Cephalometry; D019092:Conization / Q000009:adverse effects*; D005260:Female; D005865:Gestational Age; D006257:Head / Q000033:anatomy & histology; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D007752:Obstetric Labor, Premature / Q000209:etiology*; D011247:Pregnancy; D011256:Pregnancy Outcome; D012189:Retrospective Studies; D012725:Sexual Behavior / Q000706:statistics & numerical data; D002583:Uterine Cervical Neoplasms / Q000473:pathology / Q000601:surgery*; D002578:Uterine Cervical Dysplasia / Q000473:pathology / Q000601:surgery*