Tag: urethra

Sperm’s journey to the egg

Obstacles in the female reproductive tract

Since its formation to the fertilization of the egg, spermatozoids have to cross a complicated path full of obstacles. Only one spermatozoid will overcome all the barriers and fertilize the egg, creating therefore a new being.

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Retrograde ejaculation

Men with retrograde ejaculation

Retrograde ejaculation is an uncommon anomaly. Men who suffer retrograde ejaculation do not expel semen out through the urethra, but they ejaculate inside the bladder.

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