Search results
Results from the WOW.Com Content Network
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]
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.
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.
At birth, women have all their follicles for folliculogenesis, and they steadily decline until menopause." [17] In terms of ovarian reserve, a typical woman has 12% of her reserve at age 30 and has only 3% at age 40. [18] 81% of variation in ovarian reserve is due to age alone, [18] making age the most important factor in female infertility.
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 ...
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.
In 11 countries all women may benefit; in 8 others only heterosexual couples are concerned; in 7 only single women; and in 2 (Austria and Germany) only lesbian couples. Spain was the first European country to open ART to all women, in 1977, the year the first sperm bank was opened there. In France, the right to ART is accorded to all women ...
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 ...