Retrograde ejaculation occurs when semen enters the bladder instead of emerging through the penis during orgasm. Retrograde ejaculation signs and symptoms include:. This finding may prevent a patient from needing surgery to extract sperm. Retrograde ejaculation Retrograde ejaculation is a rarer type of ejaculation problem. This is sometimes called a dry orgasm. A strict upbringing and beliefs about sex. What are the possible explanations for no sperm in the ejaculate?