Infertility is a condition of the male or female reproductive system defined by the failure to achieve a pregnancy after 12 months or more of regular unprotected sexual intercourse.

In males, infertility can be caused by a variety of factors like the disruption of testicular or ejaculatory function, hormonal disorders, genetic disorders, abnormal sperm function and quality, testicular failure to produce sperm and so on.

In females, infertility can be caused by a variety of factors like the disruption of ovarian function, fallopian tube obstruction, uterine disorders, disorders of the endocrine system and so on.

Yes, age is a factor for both women and men. As a woman ages, her eggs also age, and they diminish in quantity and quality. As a man ages, the quality of his sperm also decreases.

Symptoms vary from person to person. Some common symptoms of infertility in men include pain, lump or swelling in the testicles, problems with erections and ejaculations, small, firm testicles, changes in hair growth, changes in sexual desire and so on.

Symptoms vary from person to person. Some common symptoms of infertility in women include abnormal, irregular or painful periods, no periods, skin changes, including more acne, changes in sex drive and desire, dark hair growth on the lips, chest and chin, loss of hair or thinning hair, unexplained weight gain, hot flashes, painful intercourse or inability to have intercourse, milky breast discharge and so on.

Age, smoking, obesity, excessive alcohol and drug use, radiation exposure, exposure to environmental toxins and certain medications increase a man’s risk of infertility.

Age, smoking, excessive alcohol and drug use, weight issues and excessive physical or emotional stress increase a woman’s risk of infertility.

Infertility can be treated with medicine, surgery, intrauterine insemination or assisted reproductive technology depending on the underlying cause.

Egg freezing, or oocyte cryopreservation, is a process in which a woman's eggs (oocytes) are extracted, frozen and stored as a method to preserve reproductive potential in women of reproductive age. Sperm freezing is collecting, freezing and storing a man’s sperm. The samples are later used for fertility treatments.