PURPOSE: Occupational factors have been associated with risk of orofacial clefts in
offspring, although data are limited. We explored associations between parent's occupation …

OBJECTIVE: To investigate the association between cleft lip and/or palate and nongenetic
factors in Greece. METHODS: We designed a case-control study including 35 patients with …

Objectives Orofacial clefts are among the most common birth defects, with an estimated
worldwide incidence of around 1.5‐1.7 per 1000 live‐born babies. The most frequent form of …

OBJECTIVES: To investigate the relations between congenital malformations and maternal
occupation during pregnancy with a registry based case-control study. METHODS: Analysis …

We studied the relation between birth defects and maternal agricultural work in a nationwide
time-and area-matched case-referent series of 1,306 pairs of infants (581 orofacial clefts …

Objective: To describe the epidemiological characteristics of oral clefts occurring with other
birth defects in Victoria, Australia. Methods: Information on infants and fetuses reported to …

BACKGROUND Isolated orofacial clefts (OFCs) are likely to be caused by gene‐
environment interaction; therefore, the objective of the current study was to evaluate the …

Objectives This study investigated the role of maternal exposures at work during pregnancy
in the occurrence of oral clefts. Methods The occupational exposures of 851 women (100 …

This study examines the association between oral clefts and first trimester maternal lifestyle
factors based on prospective data from the Danish National Birth Cohort. The cohort …

Background: Some malformations are clearly associated with older maternal age, but the
effect of older age of the father is less certain. The aim of this study is to determine the …