Table 1. Basic characterization of the patients harbouring UPDs.

Case No.	Age		G band karyotype		Fertilization method	Oocyte number	Fertilization ratio
	Paternal	Maternal	Paternal	Maternal
1	26	26	46,XY	46,XX	IVF	11	82%
2	32	30	46,XY	46,XX	IVF	9	89%
3	26	27	46,XY	46,XX	IVF	26	54%
4A	42	40	46,XY	46,XX	ICSI	5	40%
4B	42	40	46,XY	46,XX	ICSI	5	40%
5	23	23	46,XY	46,XX	IVF	12	75%
6	31	31	46,XY	46,XX	ICSI	10	20%
7	33	33	46,XY	46,XX	IVF	13	100%
8	30	24	46,XY	46,XX	ICSI	13	46%