Causes of infertility can be related to both sexes. Approximately 60% of infertility is caused by female conditions, while approximately 40% is male-related. It is important to note, however, that in 25% of couples both partners will have a fertility problem.
The human reproductive process is complex. To become pregnant, the intricate processes of ovulation and fertilization need to work just right.

Each month the pituitary gland in a woman’s brain sends a signal to her ovaries to prepare an egg for ovulation.
The pituitary hormones …