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FRIMED-Klinisk medisin og folkehelse

Caesarean delivery; indications and consequences

Tildelt: kr 1,8 mill.

In Norway the occurrence of caesarean section (CS) has increased from 1.8% in 1967 to 15.7% in 2002, when almost 9000 CSs were performed. The increase may be attributed to changing indications for CS, a changing panorama of implications during delivery, a nd changing attitudes among women. A CS involves important medical complications for the mother. The occurrence of postnatal complications is higher than after a vaginal delivery. Furthermore, a series of adverse consequences in subsequent pregnancies has been discussed, both in terms of higher CS rates and higher rates of complications in pregnancy and during delivery such as rupture of the uterus and placenta praevia. A reduced fertility has also been suggested. A CS may also involve negative implicati ons for the infant. Long term outcomes such as asthma and allergy have been discussed. However, lack of data with a sufficient follow-up period as well as methodological problems related to confounding due to the indications for CS have hampered the clari fication of these issues. The Medical Birth Registry of Norway (MBRN), providing data from 1967 onwards and linked with relevant national databases, offers opportunities to shed light on the problems. Analyses will in part use CS as an outcome variable wi th psychosocial and clinical variables as independent variables aiming at a clarification of causes of CS. In part, short and long term consequences to the mother and the infant will be addressed. In addition to MBRN, Statistics Norway’s registers of caus e of death, education and country of birth as well as the National Insurance Administration’s benefit and income register will be utilized. The project will be relevant to future revision of indications for CS.

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FRIMED-Klinisk medisin og folkehelse

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