Human Reproduction, Vol 12, 21-23, Copyright © 1997 by Oxford University Press
G Ndukwe, S Thornton, S Fishel, K Dowell, M Aloum and S Green
We report a novel method of rescuing empty follicle syndrome (EFS) and
provide evidence that it is a drug-related problem rather than a clinical
dysfunction. In a preliminary study we established that in EFS the serum
beta-human chorionic gonadotrophin (beta-HCG) concentrations 36 h after HCG
administration never exceeded 10 mIU/ ml. beta-HCG concentrations were thus
used to confirm EFS when oocytes were not retrieved from one ovary after
controlled ovarian hyperstimulation. The procedure was suspended leaving
intact all follicles in the second, ovary. After confirmation of EFS, a
second HCG from a different batch was administered and 36 h later mature
oocytes were retrieved from the intact ovary, suggesting a fault with the
HCG previously administered. Three patients have been treated in this way.
In the first case, four out of five mature eggs were fertilized after
intracytoplasmic sperm injection (ICSI) resulting in the transfer of three
top grade (grade 1) embryos. In the second case all seven mature oocytes
fertilized after in-vitro fertilization (IVF) and three grade 1 embryos
were transferred resulting in a twin pregnancy, now delivered. In the third
case, five out of nine oocytes were fertilized after ICSI and one out of
the three treated with high insemination concentration IVF fertilized,
resulting in the transfer of three ICSI embryos.
ARTICLES
'Curing' empty follicle syndrome
Nottingham University Research and Treatment Unit in Reproduction (NURTURE), Department of Obstetrics and Gynaecology, University Hospital, Queen's Medical Centre, UK.
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