What Does Semen Analysis Result - Quantity :3.5 ML And PH :7.5 Indicate?

Please check my below semen analysis result and advise. I am married guy and only 1 baby in 7 years, I m trying to concieve my wife but not succeed.
QUANTITY :3.5 ML
COLOUR : GRYISH WHITE
TRANSPERANCEY :OPAQUE
VISCOSITY : VISCOUS
TIME OF LIQUIFICATION :30 MIN
pH :7.5
(SEMEN ANALYSIS CHEMICAL)
FRUCTOSE: POSITIVE
(SPERM COUNTS) TOTAL COUNT 83 MILL/ML
LIVE COUNT 33 MILL/ML
<SPERM PER EJACULATE 291 MILL
(MOTILITY)
PERCENTAGE MOTILE SPERM : 40%
RAPID LINEAR PROGRESSION : 12%
SLOW/NON LIN PROGRESSION : 60%
NON PROGRESSIVE : 28%
(SPERM MORPHOLOGY) NORMAL FROM : 15%

(HEAD ABNORMALITY)
SMALL OVEL : 30%
TAPERING : 15%
AMORPHOUS : 35%
PIN : 05%

(MID PIECE ABNORMALITIES)
(OTHER CELLS)
WBC'S : 03
RBC'S : 02