pre-ejaculate is produced by the Cowper's gland which is above the duct that releases the sperm. During arousal, some sperm may be released into the urethra along with the precum. Precum can also lurk behind from another ejaculation, and get pushed out when the next batch of precum is produced. and can contain sperm although sperm isn't produced in this fluid, this fluid can be higher in sperm count if he has just had sex or masturbated earlier in the day. Some sperm might still be in the urethra.Yes, it can cause pregnancy.
the withdrawal method is not called the daddy method for nothing you know
pay attention when I'm talking to you and stop laughing, about human nature, man's psychological make-up, some story the wife'll believe and hence the very meaning of life itself