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Primary ovarian insufficiency (POI), also called premature ovarian insufficiency, premature menopause, and premature ovarian failure, is the partial or total loss of reproductive and hormonal function of the ovaries before age 40 because of follicular (egg producing area) dysfunction or early loss of eggs. [ 1 ][ 4 ][ 6 ] POI can be seen as ...
Female infertility refers to infertility in women. It affects an estimated 48 million women, [2] with the highest prevalence of infertility affecting women in South Asia, Sub-Saharan Africa, North Africa/Middle East, and Central/Eastern Europe and Central Asia. [2] Infertility is caused by many sources, including nutrition, diseases, and other ...
In the US, the average age at which women bore their first child advanced from 21.4 years old in 1970 [11] to 26.9 in 2018. [4] The German Federal Institute for Population Research claimed in 2015 the percentage for women with an age of at least 35 giving birth to a child was 25.9%. This figure rose from 7.6% in 1981.
Age and female fertility. Female fertility is affected by age and is a major fertility factor for women. A woman's fertility is in generally good quality from the late teens to early thirties, although it declines gradually over time. [1] Around 35, fertility is noted to decline at a more rapid rate. [1] At age 45, a woman starting to try to ...
Frequency. 113 million (2015) [1] Infertility is the inability of an animal or plant to reproduce by natural means. It is usually not the natural state of a healthy adult, except notably among certain eusocial species (mostly haplodiploid insects). It is the normal state of a human child or other young offspring, because they have not undergone ...
Most of these patients have multiple pituitary hormone deficiencies. [5] Hyperprolactinaemia is the most common cause of AHH. It is a well-established cause of infertility in both male and female mammals. [6] Prolactin inhibits GnRH neurons and therefore inhibits the subsequent release of LH, FSH and sex steroids.
The unresponsiveness of the cell to the presence of androgenic hormones prevents the masculinization of male genitalia in the developing fetus, as well as the development of male secondary sexual characteristics at puberty, but does allow, without significant impairment, female genital and sexual development [3] [4] in those with the condition.
Pelvic inflammatory disease, also known as pelvic inflammatory disorder (PID), is an infection of the upper part of the female reproductive system, namely the uterus, fallopian tubes, and ovaries, and inside of the pelvis. [5][2] Often, there may be no symptoms. [1] Signs and symptoms, when present, may include lower abdominal pain, vaginal ...