This book includes the extensive research work of Prof. Dr Dnyandeo Chopade, who is working in the field of Medical genetics for the last 20 years. This research on 'Chromosomal variations in couples with Recurrent Miscarriages and Chromosomally Abnormal Newborns' was done at Government Grant Medical College and JJ Hospital, Mumbai and was accepted by Maharashtra University of Health Sciences for PhD in Medical Genetics in the year 2018.