Surgery to remove your prostate gland means that you no longer ejaculate any semen (dry orgasm). So you will not be able to have children by natural sexual intercourse. This is because your sperm cannot pass to your partner during sexual intercourse.
Male infertility causes don't usually manifest visible symptoms, it's only after a couple notices that they are unable to conceive naturally and they need professional help, here is where the man will find out that something is wrong.
Some treatments for breast cancer can cause temporary infertility or make it harder for you to get pregnant after treatment ends. Other treatments cause permanent and irreversible menopause, which means you are permanently infertile.
Cancer patients undergoing chemotherapy or any kind of radiation that could harm their ovaries, similarly many other medical procedures could hurt your fertility. Therefore freezing your eggs before doing any major treatment will give you a fighting chance to get pregnant after completing your treatment.
There is no blame in infertility, both men and women can contribute to infertility equally. It is often thought of as only a woman’s condition. However, approximately one-third of infertility is attributed to the female partner, one-third attributed to the male partner and one-third is caused by a combination of problems in both partners or, is unexplained.