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Congenital malformations in offspring of women with a history of malignancy

Sabeti Rad, Zahra LU ; Friberg, Britt LU ; Henic, Emir LU ; Rylander, Lars LU orcid ; Ståhl, Olof LU ; Källén, Bengt LU and Lingman, Göran LU (2017) In Birth Defects Research 109(3). p.224-233
Abstract

BACKGROUND: Survival after malignancy has increased and the question of risks, including risk for congenital malformations for the offspring of these women has become important. Data on congenital malformations in such offspring are limited.

METHODS: We compared congenital malformation in offspring, born 1994 to 2011 of women with a history of malignancy (at least 1 year before delivery) with all other offspring. Adjustment for confounders was mainly made by Mantel-Haenszel methodology. Data were obtained by linkage between Swedish national health registers.

RESULTS: We identified 71,954 (4.1%) infants with congenital malformation, of which 47,081 (2.7%) were relatively severe (roughly corresponding to major malformation).... (More)

BACKGROUND: Survival after malignancy has increased and the question of risks, including risk for congenital malformations for the offspring of these women has become important. Data on congenital malformations in such offspring are limited.

METHODS: We compared congenital malformation in offspring, born 1994 to 2011 of women with a history of malignancy (at least 1 year before delivery) with all other offspring. Adjustment for confounders was mainly made by Mantel-Haenszel methodology. Data were obtained by linkage between Swedish national health registers.

RESULTS: We identified 71,954 (4.1%) infants with congenital malformation, of which 47,081 (2.7%) were relatively severe (roughly corresponding to major malformation). Among 7284 infants to women with a history of malignancy 204 relatively severe malformations were found (2.8%; odds ratio [OR] = 1.04; 95% confidence interval [CI], 0.91-1.20). After in vitro fertilization, the risk of a relatively severe malformation was significantly increased in women without a history of malignancy (OR = 1.31; 95% CI, 1.24-1.38) and still more in women with such a history (risk ratio = 1.85; 95% CI, 1.08-2.97). However, there were no significant differences neither, for any malformations (OR = 1.04; 95% CI, 0.92-1.16) nor for relatively severe malformations (OR = 1.04; 95% CI, 0.91-1.20), when comparing offspring only after maternal history of malignancy.

CONCLUSION: No general increase in malformation rate was found in infants born to women with a history of malignancy. A previously known increased risk after in vitro fertilization was verified and it is possible that this risk is further augmented among infants born of women with a history of malignancy. Birth Defects Research 109:224-233, 2017. © 2016 Wiley Periodicals, Inc.

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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Journal Article
in
Birth Defects Research
volume
109
issue
3
pages
10 pages
publisher
John Wiley & Sons Inc.
external identifiers
  • pmid:27875028
  • wos:000398790000004
  • scopus:85031688752
ISSN
2472-1727
DOI
10.1002/bdra.23584
language
English
LU publication?
yes
id
32310d29-6511-4b91-941b-0fcee947c329
date added to LUP
2017-04-18 20:36:32
date last changed
2024-03-17 12:15:25
@article{32310d29-6511-4b91-941b-0fcee947c329,
  abstract     = {{<p>BACKGROUND: Survival after malignancy has increased and the question of risks, including risk for congenital malformations for the offspring of these women has become important. Data on congenital malformations in such offspring are limited.</p><p>METHODS: We compared congenital malformation in offspring, born 1994 to 2011 of women with a history of malignancy (at least 1 year before delivery) with all other offspring. Adjustment for confounders was mainly made by Mantel-Haenszel methodology. Data were obtained by linkage between Swedish national health registers.</p><p>RESULTS: We identified 71,954 (4.1%) infants with congenital malformation, of which 47,081 (2.7%) were relatively severe (roughly corresponding to major malformation). Among 7284 infants to women with a history of malignancy 204 relatively severe malformations were found (2.8%; odds ratio [OR] = 1.04; 95% confidence interval [CI], 0.91-1.20). After in vitro fertilization, the risk of a relatively severe malformation was significantly increased in women without a history of malignancy (OR = 1.31; 95% CI, 1.24-1.38) and still more in women with such a history (risk ratio = 1.85; 95% CI, 1.08-2.97). However, there were no significant differences neither, for any malformations (OR = 1.04; 95% CI, 0.92-1.16) nor for relatively severe malformations (OR = 1.04; 95% CI, 0.91-1.20), when comparing offspring only after maternal history of malignancy.</p><p>CONCLUSION: No general increase in malformation rate was found in infants born to women with a history of malignancy. A previously known increased risk after in vitro fertilization was verified and it is possible that this risk is further augmented among infants born of women with a history of malignancy. Birth Defects Research 109:224-233, 2017. © 2016 Wiley Periodicals, Inc.</p>}},
  author       = {{Sabeti Rad, Zahra and Friberg, Britt and Henic, Emir and Rylander, Lars and Ståhl, Olof and Källén, Bengt and Lingman, Göran}},
  issn         = {{2472-1727}},
  keywords     = {{Journal Article}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{3}},
  pages        = {{224--233}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Birth Defects Research}},
  title        = {{Congenital malformations in offspring of women with a history of malignancy}},
  url          = {{http://dx.doi.org/10.1002/bdra.23584}},
  doi          = {{10.1002/bdra.23584}},
  volume       = {{109}},
  year         = {{2017}},
}