Y chromosome microdeletions in Chinese men with infertility: prevalence, phenotypes, and intracytoplasmic sperm injection outcomes

Table 3 Pattern of STS deletions in 156 men with infertility and Y chromosome microdeletion and corresponding sperm count phenotype

Number of patients (%)	AZFa		AZFb		AZFc		AZFd		Sperm count phenotype
Number of patients (%)	sY84	sY86	sY127	sY134	sY254	sY255	sY145	sY152
1(0.64%)	-	-	+	+	+	+	+	+	Azoospermia
3(1.92%)	+	-	+	+	+	+	+	+	Normal, mild oligozoospermia^a
8(5.13%)	+	+	-	-	+	+	+	+	Azoospermia
107(68.59%)	+	+	+	+	-	-	+	-	Normal, oligozoospermia, cryptozoospermia, azoospermia^b
3(1.92%)	+	+	+	+	-	-	-	-	Azoospermia
8(5.13%)	+	+	-	-	-	-	+	-	Azoospermia
22(14.1%)	+	+	-	-	-	-	-	-	Azoospermia
4(2.56%)	-	-	-	-	-	-	-	-	Azoospermia

+: STS exists; -: STS was deleted
^aTwo patients had normal total sperm count and one had mild oligozoospermia
^bTwo patients had normal total sperm count, seven had mild oligozoospermia, 34 had severe oligozoospermia, 40 had cryptozoospermia, and 24 had azoospermia

ISSN: 1477-7827