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Human genetic variants that likely cause dysregulation of critical meiotic processes have been identified in 14 female infertility associated genes. [53] A major cause of female infertility is premature ovarian insufficiency. [54] This insufficiency is a heterogeneous disease that affects about 1% of women who are under the age of 40. [54]
Gamete intrafallopian transfer (GIFT) is a tool of assisted reproductive technology against infertility.Eggs are removed from a woman's ovaries, and placed in one of the fallopian tubes, along with the man's sperm.
Tubal factor infertility (TFI) is female infertility caused by diseases, obstructions, damage, scarring, congenital malformations or other factors which impede the descent of a fertilized or unfertilized ovum into the uterus through the fallopian tubes and prevents a normal pregnancy and full term birth.
Male infertility is responsible for 20–30% of infertility cases, while 20–35% are due to female infertility, and 25–40% are due to combined problems in both partners. [29] [5] In 10–20% of cases, no cause is found. [5] The most common cause of female infertility are ovulation problems, usually manifested by scanty or absent menstrual ...
Reproductive endocrinology and infertility: a subspecialty that focuses on the biological causes and interventional treatment of infertility; Gynecological oncology: a gynaecologic subspecialty focusing on the medical and surgical treatment of women with cancers of the reproductive organs
Ovulation is an important part of the menstrual cycle in female vertebrates where the egg cells are released from the ovaries as part of the ovarian cycle. In female humans ovulation typically occurs near the midpoint in the menstrual cycle and after the follicular phase. Ovulation is stimulated by an increase in luteinizing hormone (LH).
Chronic anovulation is a common cause of infertility. In addition to the alteration of menstrual periods and infertility, chronic anovulation can cause or exacerbate other long-term problems, such as hyperandrogenism or osteopenia. It plays a central role in the multiple imbalances and dysfunctions of polycystic ovary syndrome.
ASA occur in women and men, including women or men who receive anal sex from men or who perform oral sex on men. [17]: 210 [7] ASA have been considered as infertility cause in around 10–30% of infertile couples, and in males, about 12–13% (20,4% in meta-analysis) [9] of all diagnosed infertility is related to an immunological reason. The ...