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- Källén, Bengt, et al.
(författare)
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Association between preterm birth and intrauterine growth retardation and child asthma
- 2013
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Ingår i: European Respiratory Journal. - : European Respiratory Society: ERJ. - 0903-1936 .- 1399-3003. ; 41:3, s. 671-676
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Tidskriftsartikel (refereegranskat)abstract
- An association between preterm birth and an increased risk of childhood asthma has been demonstrated, but the importance of intrauterine growth retardation on asthma risk is unclear. less thanbrgreater than less thanbrgreater thanUsing data from Swedish health registers, infant characteristics and childhood asthma were studied. Analyses were made using Mantel-Haenszel methodology with adjustment for year of birth, maternal age, parity, smoking in early pregnancy and maternal body mass index. Preterm birth, birth weight and birth weight for gestational week were analysed and childhood asthma was evaluated from prescriptions of anti-asthmatic drugs. Neonatal respiratory problems and treatment for them were studied as mediating factors. less thanbrgreater than less thanbrgreater thanBoth short gestational duration and intrauterine growth retardation appeared to be risk factors and seemed to act separately. The largest effect was seen from short gestational duration. Use of mechanical ventilation in the newborn period and bronchopulmonary dysplasia were strong risk factors. A moderately increased risk was also seen in infants born large for gestational age. less thanbrgreater than less thanbrgreater thanWe conclude that preterm birth is a stronger risk factor for childhood asthma than intrauterine growth disturbances; however, the latter also affects the risk, and is also seen in infants born at term.
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| 4. |
- Bui, TH, et al.
(författare)
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Multifetal pregnancy reduction - Reply
- 1996
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Ingår i: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. - 0001-6349. ; 75:1, s. 90-91
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 7. |
- De Mouzon, J, et al.
(författare)
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ICMART world report 2011
- 2015
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Ingår i: HUMAN REPRODUCTION. - 0268-1161. ; 30, s. 59-59
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 8. |
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| 9. |
- Ericson, A, et al.
(författare)
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Hospital care utilization of infants born after IVF
- 2002
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Ingår i: Human Reproduction. - : Oxford University Press (OUP). - 0268-1161 .- 1460-2350. ; 17:4, s. 929-932
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Infants born after IVF are often twins, and singleton IVF babies have an increased risk for preterm birth. Both conditions are likely to increase morbidity. We examined the frequency and duration of hospitalization required by babies born after IVF, and compared this information with all infants born in Sweden during the same time period. METHODS: We used a nationwide registration of IVF pregnancies from 1984 to 1997 and a nationwide register of all in-patient care up to the end of 1998. We identified 9056 live born infants after IVF treatment and compared them with 1 417 166 non-IVF live born infants. RESULTS: The highest odds ratio (OR similar to3) was seen for neonatal hospitalization, but an increased OR (1.2-1.3) was noted for children up to 6 years of age. The OR for being hospitalized after IVF was 1.8, but when the analysis was restricted to term infants it was 1.3 and this excess was then explainable by maternal subfertility. Statistically significant increased ORs were seen for hospitalization for cerebral palsy (1.7), epilepsy (1.5), congenital malformation (1.8) or tumour (1.6), but also for asthma (1.4) or any infection (1.4). When information from the Swedish Cancer Registry was used, no excess risk for childhood cancer was found. The average number of days spent in hospital by IVF and non-IVF children was 9.5 and 3.6 respectively. CONCLUSIONS: The increased hospitalization of IVF children is, to a large extent, due to the increased incidence of multiple births. Therefore, the increased costs associated with this may be reduced by the use of single embryo transfers, with the savings in health care costs being offset against the increased number of embryo transfer cycles required to maintain the pregnancy rate.
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