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It is cheaper and easier to perform than controlled ovarian hyperstimulation, and is therefore the preferred initial stimulation protocol in menstrual disorders including anovulation and oligoovulation. In vitro maturation is letting ovarian follicles mature in vitro, and with this technique ovarian hyperstimulation is not essential. Rather ...
Ovarian hyperstimulation syndrome (OHSS) is a medical condition that can occur in some women who take fertility medication to stimulate egg growth, and in other women in sporadic cases. Most cases are mild, but rarely the condition is severe and can lead to serious illness or even death.
Controlled ovarian hyperstimulation is generally part of in vitro fertilization, and the aim is generally to develop multiple follicles (optimally between 11 and 14 antral follicles measuring 2–8 mm in diameter), [5] followed by transvaginal oocyte retrieval, co-incubation, followed by embryo transfer of a maximum of two embryos at a time. [6]
Ovarian hyperstimulation may refer to: Controlled ovarian hyperstimulation; Ovarian hyperstimulation syndrome This page was last edited on 29 ...
Controlled ovarian hyperstimulation, which is generally part of in vitro fertilization, and the aim is generally to develop multiple follicles (optimally between 11 and 14 antral follicles measuring 2–8 mm in diameter), [medical citation needed] followed by transvaginal oocyte retrieval, co-incubation, followed by embryo transfer of a maximum ...
This then became known as controlled ovarian hyperstimulation (COH). Another step forward was the use of gonadotrophin-releasing hormone agonists (GnRHA), thus decreasing the need for monitoring by preventing premature ovulation, and more recently gonadotrophin-releasing hormone antagonists (GnRH Ant), which have a similar function.
Final maturation induction using a GnRH agonist is recommended in women with cancer undergoing fertility preservation, because ovarian hyperstimulation syndrome is associated with an increased risk of arterial thrombotic events such as stroke, myocardial infarction and peripheral arterial embolism, and this risk can add to an already increased ...
First pregnancies were achieved in 1961 and Gemzell recognized early that multiple pregnancy and the ovarian hyperstimulation syndrome were major side effect of the therapy. [2] Gemzell's pituitary gonadotropin preparation was soon replaced by FSH extracts from urine of postmenopausal women by a method that was developed by Piero Donini and ...