Three women with 45,X/46,XX mosaic and multiple spontaneous abortions.

One hundred couples in whom the females had experienced multiple spontaneous abortions were studied. In this series three women with 45, X/46,XX were observed. The paper discusses the significance of this observation pointing out to the fact that these women run an increased risk of abortion of giving birth to babies with Turner's syndrome.

Child with 46, XY/46, XY, 18p- mosaic.

A 46, XY/46, XY 18 p-mosaic was encountered in a child with cranio-facial dysmorphia, anomalies of the fingers, metaphyseal and epiphyseal dysgenesis, psycho-motor backwardness, anomalies of EEG and convulsions.