What causes secondary infertility?
The causes of secondary infertility include any change in fertility status in either partner; a change in partner; or sometimes, simply aging.One out of four couples with infertility have more than one contributing factor. In approximately 2 out of 5 couples with infertility, the male partner is either the sole cause or a contributing cause of infertility; in another 2 out of 5 infertile couples, the female partner is either the sole cause or a contributing cause of infertility. In the other 20%, the cause of infertility is unknown. This means that in many couples with infertility, both partners have contributing factors. In a woman, any factor that affects her ability to ovulate, conceive, or carry a pregnancy to term may cause or exacerbate secondary infertility. Tubal blockage and/or peritoneal (intraabdominal) factors account for approximately a third of all infertility problems. Irregular or abnormal ovulation (release of eggs from the ovaries) accounts for approximately one out o