Prevention of orofacial clefts: does pregnancy planning have a role?

Peter A Mossey1, Janet A Davies, Julian Little

  • 1University of Dundee, Dental School, Scotland, UK. p.a.mossey@dundee.ac.uk

Insights

Planned pregnancies significantly reduce the risk of orofacial clefts in offspring. Unplanned pregnancies combined with first-trimester smoking further elevate this risk, highlighting the importance of preconception planning.

Area of Science:

  • Reproductive Health
  • Pediatric Health
  • Epidemiology

Background:

  • Orofacial clefts are common birth defects with multifactorial causes.
  • Pregnancy planning is a key factor in maternal and child health outcomes.
  • Understanding risk factors for orofacial clefts is crucial for prevention strategies.

Purpose of the Study:

  • To investigate the association between pregnancy planning and the occurrence of orofacial clefts.
  • To identify specific risk factors contributing to orofacial cleft development.

Main Methods:

  • A case-control study was conducted in the United Kingdom.
  • 191 infants with nonsyndromic orofacial clefts and 247 controls were analyzed.
  • Data were collected between 1997 and 2000.

Main Results:

  • A statistically significant inverse association was found between planned pregnancies and orofacial clefts (OR = 0.51, 95% CI = 0.33-0.79).
  • Unplanned pregnancies coupled with first-trimester smoking increased the risk of orofacial clefts nearly threefold compared to planned, non-smoking pregnancies (OR = 2.92, 95% CI = 1.50-5.65).

Conclusions:

  • Planned pregnancies are associated with a reduced risk of orofacial clefts.
  • Reducing unplanned pregnancies is essential for orofacial cleft prevention.
  • Preconception advice and interventions should be widely disseminated to improve pregnancy planning.
Abstract

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