Use of inhaled corticosteroids during pregnancy and risk of pregnancy induced hypertension: nested case-control study
BMJ 2005; 330 doi: https://doi.org/10.1136/bmj.38313.624352.8F (Published 27 January 2005) Cite this as: BMJ 2005;330:230Data supplement
Definition of maternal chronic diseases
A woman was considered as having diabetes mellitus if she had either at least one diagnosis of diabetes mellitus (ICD-9 codes 250 and 648.0) or a prescribed antidiabetic drug dispensed at least one year before conception, or at least one diagnosis of diabetes mellitus or gestational diabetes (ICD-9 code 648.8) or a prescription dispensed during pregnancy and a diagnosis of diabetes mellitus between four and 12 months after pregnancy. A woman was considered as having chronic hypertension if she had either at least one diagnosis of chronic hypertension (ICD-9 codes 401 to 405, 642.0, 642.1, and 642.7) or a prescription for an anti-hypertensive drug dispensed at most one year before conception or at least a diagnosis of chronic hypertension or a prescription for an antihypertensive drug dispensed during the first 20 weeks of gestation, or at least one diagnosis of chronic hypertension or of pregnancy induced hypertension or a prescription for an antihypertensive drug dispensed after 21 weeks’ gestation followed by a diagnosis of chronic hypertension between four and 12 months after pregnancy.
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- Introductory AddressProv Med Surg J October 03, 1840, s1-1 (1) 1-4; DOI: https://doi.org/10.1136/bmj.s1-1.1.1
- Report of the Meeting of the Eastern Branch of the Provincial Association at Bury St. Edmond'sProv Med Surg J October 03, 1840, s1-1 (1) 10-13; DOI: https://doi.org/10.1136/bmj.s1-1.1.10
- Mr. Warburton's Bill for the Regulation of the Medical ProfessionProv Med Surg J October 03, 1840, s1-1 (1) 13-15; DOI: https://doi.org/10.1136/bmj.s1-1.1.13
- An Atlas of Plates, illustrative of the Principles and Practice of Obstetric Medicine and Surgery, with descriptive LetterpressProv Med Surg J October 03, 1840, s1-1 (1) 4; DOI: https://doi.org/10.1136/bmj.s1-1.1.4
- A Practical Treatise on the Diseases peculiar to Women, illustrated by Cases, &cProv Med Surg J October 03, 1840, s1-1 (1) 4-5; DOI: https://doi.org/10.1136/bmj.s1-1.1.4-a
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