cytogenetic evaluation of couples with spontaneous abortion, still birth and recurrent miscarriage in qazvin: report and review

background chromosomal abnormality plays an important role in different types of miscarriages. objectives the present study was designed to investigation chromosomal anomalies in three groups of couples with recurrent abortion (ra), spontaneous abortion (sa) and still birth (sb). patients and methods in this retrospective study, the frequency of chromosomal aberrations was investigated among 260 couples with miscarriage, which had referred to the cytogenetic section of a reference laboratory in buali hospilal, qazvin, iran from 2009 to 2014. metaphase spreads were analyzed using g-banding. results in this study, 7.6% of couples had chromosomal aberrations including, balanced reciprocal translocations, robertsonian translocations, inversions and sex chromosome aneuploidy. frequency of balanced translocations was higher, specifically in couples with sa. conclusions in this investigation we showed that chromosomal abnormalities could be one of the important causes of miscarriages. cytogenetic evaluation of couples, which experienced different types of miscarriage, may prevent unnecessary treatments.