Erschienen in:
01.12.2011 | Editorial
Recombinant or Urinary Human Chorionic Gonadotropin in Ovulation Induction?
verfasst von:
Gautam Allahbadia
Erschienen in:
The Journal of Obstetrics and Gynecology of India
|
Ausgabe 6/2011
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Excerpt
The onset of the spontaneous LH surge in women is relatively abrupt with concentrations doubling within 2 h to between 100 and 200 IU/l being sustained for 12–14 h over a mean duration of 50 h [
1]. This mid-cycle surge, in addition to follicular rupture [
2], promotes several peri-ovulatory events including disruption of the oocyte–cumulus oophorus cell contact and induction of the resumption of the oocyte’s meiotic maturation [
3], cumulus oophorus mucification, luteinization of the follicular granulosa cells [
4] and secretion of progesterone. …