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'ovarian hyperstimulation syndrome'
ovarian hyperstimulation syndrome
Egg donation: Is it dangerous? What are the risks?
Medicines for ovulation induction and the surgical procedure of egg retrieval may lead the egg donor to develop certain side effects. Often, follicular puncture causes mild side effects such as vaginal bleeding or...
Repetitive oocyte donation in the USA
There is no limit regarding how many times a woman can donate her oocytes in the USA. However, repetitive oocyte donation might entail several long-term risks.
GnRh analogues are hormones used in some assisted reproduction procedures that require a monitorisation of the ovarian cycle. These hormones are administered through injections the patient can apply to herself.
Vitrification is a procedure whereby embryo vitality is preseved without a time limit, the survival rate is close to 100%.
Problems of in vitro fertilisation
There are some problems associated with in vitro fertilisation, mainly due to the previous ovarian stimulation that women undergo, which may cause ovarian hyperstimulation syndrome and/or multiple births.
Disadvantages of GnRH analogues
Although the gonadotropin releasing hormone analogues are widely used in assisted reproduction, their use as a medicine involves some risks.
hMG (human menopausal gonadotropin)
Menotropin or hMG stands for human menopausal gonadotropin. It is a hormone used as a medication for women undergoing assisted reproductive treatments which require ovulation induction.
Indications for GnRH antagonists
GnRH antagonists are chemical compounds used as hormone medicines in assisted reproduction in order to perform an ovarian stimulation during the woman's ovarian cycle.
These hormones work as GnRH antagonists. The GnRH hormone is released by the hypothalamus and is responsible for the stimulation of the pituitary gland, allowing thus pituitary gonadotropin secretion.
Causes of ovarian hyperstimulation syndrome
The ovarian hyperstimulation syndrome can be due to several causes. Sometimes it occurs naturally, but it can also occur because of the use of hormones in assisted reproductive techniques.
Risk factors of the ovarian hyperstimulation syndrome
Factors that can cause the ovarian hyperstimulation syndrome (OHSS) are related to the status of women's health and previous menstrual cycles.
Natural evolution of the ovarian hyperstimulation syndrome (OHSS)
The ovarian hyperstimulation syndrome usually disappears as menstruation starts. Thus, once a woman is on her period, OHSS symptoms may go away, starting therefore a normal ovarian cycle.
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