Caesarean birth studies

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Research Study

Caesareans and Asthma


“Caesarean section and risk of asthma and allergy in adulthood”.

According to this report published in the Journal of Allergies and Clinical Immunology in 2001, a caesarean birth may increase the risk of asthma.

This study involved 1,953 Finnish subjects. Information was collected from their birth in 1966 to their third decade of life in 1997.


The 5.3% of subjects who were delivered via caesarean section were three times more likely to have developed asthma by age 31, compared with
subjects delivered vaginally.

Xu B, Pekkanen J, Hartikainen AL, Jarvelin MR. J Allergy Clin Immunol 2001; 107(4): 732-3.

    This study highlights the increased risk of asthma and allergy for the infant delivered by caesarian section.


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Breech deliveries and the Caesarean Delivery


“Planned vaginal delivery versus elective caesarean section: A study of 705 singleton term breech presentations”.

This study in the British Journal of Obstetrics and Gynaecology published in 1998, revealed that routine caesarean births for women whose full-term babies are breech may raise the women’s risk of complications such as pulmonary embolism, urinary tract infections, endometriosis, hysterectomy, and cardiorespiratory arrest.

Researchers at the University Hospital in Geneva examined 705 consecutive breech deliveries and found that women who delivered vaginally were not only healthier but also were out of the hospital sooner than those delivered by caesarean. The study found there were significantly fewer maternal complications in the planned vaginal delivery group than in the elective caesarean section group.

Researchers Conclusion: “There is no firm evidence to recommend systematic elective caesarean section for breech presentation at term.”

Irion O; Hirsbrunner Almagbaly P; Morabia ABr Journal of Obstetrics and  Gynaecology 1998;105(7): 710-7

    This study highlights the risks for the


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