Consecutive or non-consecutive recurrent miscarriage: is there any difference in carrier status?  

Oleh:

Boogaard, E. van den ; Kaandorp, S.P. ; Franssen, M.T.M.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Human Reproduction vol. 25 no. 06 (Jun. 2010), page 1411-1414.
Topik: recurrent miscarriage; karyotyping; obstetric history; risk factors

Ketersediaan

Perpustakaan FK Nomor Panggil: H07.K.2010.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

BACKGROUND Carrier status of a structural balanced chromosome abnormality is associated with recurrent miscarriage. There is, at present, no evidence of the impact of the sequence of preceding pregnancies on the probability of carrier status. The aim of our study was therefore to examine whether the history of consecutive versus non-consecutive miscarriages in couples with two or more miscarriages has any impact on the probability of carrying a chromosome abnormality. METHODS A nested case–control study was performed in six centres for clinical genetics in the Netherlands. Couples referred for chromosome analysis after two or more miscarriages were included: 279 couples with a carrier of a structural chromosomal abnormality and 428 non-carrier couples who served as controls. Univariable and multivariable logistic regression analyses, corrected for known risk factors for carrier status, were performed. The main outcome measure was the probability of carrier status. RESULTS Two hundred and fifty-six of 279 (92%) carrier couples and 381 of 428 (89%) non-carrier couples had experienced consecutive miscarriages (P = 0.21). A history of two or three consecutive miscarriages did not alter the probability of carrier status when compared with two [odds ratio (OR) 0.90, 95% confidence interval (CI) 0.48–1.7] or three (OR 0.71, 95% CI 0.39–1.3) non-consecutive miscarriages. CONCLUSIONS The sequence of preceding pregnancies is not a risk factor for carrier status. Therefore, couples with miscarriages interspersed with healthy child(ren) should be managed the same as couples with consecutive miscarriages regarding chromosome diagnosis.

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