Amenorrhea is the absence of period in women. It is considered to be amenorrhea when a woman of childbearing age hasn’t had her period for over three months. To diagnose it, blood analyses and ultrasounds are carried out.
Tag: hormone levels
This type of infertility in woman is due to alterations in the hypothalamic-pituitary axis, alterations in the gland that produces sexual hormones (pituitary) or in the cerebral structure (hypothalamus) that stimulates that gland.
Embryos derived from eggs of women over 40 are much more likely to develop genetic alterations which can lead to non-viable embryos or children with genetic disorders. PGD is a very helpful tool for transferring to the woman only the healthiest embryos after having assessed their chromosomes.
Regulated by hormones, the ovarian cycle consists fundamentally of three phases: the follicular phase, the ovulatory phase, and finally the luteal phase. At each phase, different sets of hormones take part.