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Human fertilization and embryology

British Journal of Midwifery, 2004
The Warnock Report in 1984 was the foundation for the Human Fertilization and Embryology Act 1990, but the law does not provide formany recent developments, and others where the law has been criticised.
B. Dimond
openaire   +3 more sources

Ultrastructure of human fertilization

1984
An elucidation of fertilization in mammals emerged only recently. Because of various moral and legal injunctions against the study of fertilization in man, information on this species has been more difficult to acquire than on laboratory and domestic animals.
Václav Kopečný   +2 more
openaire   +3 more sources

Is human fertility declining?

International Congress Series, 2004
Abstract During the past decades, we have witnessed a remarkable decline in fertility rates (number of births per 1000 women of reproductive age) in the industrialized world. It seems beyond doubt that the enormous social changes of our societies play the major role in this decline, but we argue that reduced fecundity (the ability to conceive) in the
Jensen, Tina Kold   +2 more
openaire   +3 more sources

Fertilization abnormalities in human in-vitro fertilization

Human Reproduction, 1992
Fertilization abnormalities (premature chromosome condensation of spermatozoa (PCC), triploidy, haploidy) were analysed in order to determine their origin. PCC occurs in 9% of unfertilized oocytes and seems to be the consequence of a failure of oocyte activation, leading to the continuing presence of cytoplasmic chromosome-condensing factors, causing ...
Plachot, M., Crozet, N.
openaire   +4 more sources

Novel mutations in WEE2: Expanding the spectrum of mutations responsible for human fertilization failure

Clinical Genetics, 2019
Successful fertilization is fundamental for sexual reproduction. After undergoing a series of molecular and morphological changes, the haploid sperm fuses with the haploid oocyte to create a diploid zygote.
Zhihua Zhang   +14 more
semanticscholar   +1 more source

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