on the other hand , the genetic factors , identified especially with the banding technique , are undeniable : however , although the rate of chromosomal aberrations in the offspring ( monosomy x , trisony 16 , triploidy ) is very high ( 50 to 60 % of spontaneous abortions in the first trimester of pregnancy ) , when couples with usual abortions are subjected to karyotypic analysis , genetic anomalies ( especially translocations ) are been noted in only 6.2 % of the women and 2.6 % of the men .
C0008625
chromosomal aberrations
C0333693
triploidy