Infertility is defined as the inability to conceive a pregnancy after 12 months of un-protective sexual activity. It affects about 1 in 6 Australian couples, even though World Health Organisation has it as 1 in 4. Thats alarming. Causes of infertility are many and varied and involve male, female or a combination of factors. 

This information, plus information titled Erectile Dysfunction, Premature Ejaculation, Egg Health Maturation, Sperm Health Maturation, Vaginismus, Vulvadynia and Polycystic Ovarian Syndrome can all be found within the helenzee.com section. I+They are quick fact sections with links to more detailed information. 

What causes a man to be infertile?

More than 90% of male infertility cases are due to low sperm counts, poor sperm quality, or both. The remaining cases of male infertility can be caused by a range of conditions including anatomical problems, hormonal imbalances, and genetic defects.

www.umm.edu/health/medical/reports/articles/infertility-in-men

Can male infertility be treated?

In some cases, the doctor will recommend that the couple seek assisted reproductive technologies (ART), such as IVF (in vitro fertilisation). ART do not cure or treat the cause of infertility but they can help couples achieve a pregnancy, even if the man’s sperm count is very low.

https://www.andrologyaustralia.org/your-health/male-infertility/

What is infertility in men?

Male infertility refers to a male’s inability to cause pregnancy in a fertile female. In humans it accounts for 40-50% of infertility. It affects approximately 7% of all men. Male infertility is commonly due to deficiencies in the semen, and semen quality is used as a surrogate measure of male fecundity.

https://en.wikipedia.org/wiki/Male_infertility

What can cause a low sperm count?

Sometimes problems with sperm count and quality are associated with: a hormone imbalance, such as hypogonadism (reduced hormone production) a genetic problem such as Klinefelter syndrome. having had undescended testicles as a baby.

www.nhs.uk/conditions/low-sperm-count/Pages/Introduction.aspx

How can infertility be treated?

Treatment is least likely to benefit infertility caused by damage to the fallopian tubes or severe endometriosis. The first step of treating infertility in many cases is to treat the underlying cause of infertility.

www.nichd.nih.gov/health/topics/infertility/conditioninfo/Pages/treatments-women.aspx

Can uterine fibroids cause infertility?

There are several ways uterine fibroids can reduce fertility: Changes in the shape of the cervix can affect the number of sperm that can enter the uterus. Changes in the shape of the uterus can interfere with the movement of the sperm or embryo. Fallopian tubes can be blocked by fibroids.

https://www.asrm.org/Fibroids_and_Fertility_factsheet/