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Fertilization abnormalities in human in-vitro fertilization
Human Reproduction, 1992Fertilization 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.
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2011
Mineral fertilizers have played a pivotal role in the success of the agricultural production systems. Continued exponential growth in human population and increasing demand for biofuels point to ever-increasing demand for fertilizers. Despite the apparent success of the current agricultural production systems, overuse of fertilizers has caused severe ...
MORARI, FRANCESCO, VELLIDIS G, PAIGE G.
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Mineral fertilizers have played a pivotal role in the success of the agricultural production systems. Continued exponential growth in human population and increasing demand for biofuels point to ever-increasing demand for fertilizers. Despite the apparent success of the current agricultural production systems, overuse of fertilizers has caused severe ...
MORARI, FRANCESCO, VELLIDIS G, PAIGE G.
openaire +1 more source
Future Fertility in High Fertility Countries
2014Beginning in 1960, a phenomenon occurred that John Caldwell named the ‘global fertility transition’ (Caldwell, 1997), in which fertility declines have become the general rule throughout the world, including in the majority of the less developed countries.
Fuchs, R., Goujon, A.
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Medical Journal of Australia, 1983
Publisher Summary Successful in vitro fertilization (IVF) may be approached by either of two methods that differ substantially in concept. One method of obtaining normal oocytes for IVF is to rely on the precise determination of periovular changes to predict the exact time of ovulation in the natural or spontaneous ovulatory cycle.
Carl Wood, Alan O Trounson
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Publisher Summary Successful in vitro fertilization (IVF) may be approached by either of two methods that differ substantially in concept. One method of obtaining normal oocytes for IVF is to rely on the precise determination of periovular changes to predict the exact time of ovulation in the natural or spontaneous ovulatory cycle.
Carl Wood, Alan O Trounson
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An overview of the global fertilizer trends and India’s position in 2020
, 2021K. Randive, Tejashree Raut, S. Jawadand
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Acta Europaea fertilitatis, 1991
The whole fertilization process can be affected by the presence of iso or auto-antibodies or even Fab fragments against specific antigens involved in fertilization like FA1 sperm surface antigen and ZP1, ZP2 and ZP3 oocyte surface antigens. These knowledges can be used to develop a natural vaccine (FA1 seems to be able to inhibit fertilization).
DE PLACIDO G +6 more
openaire +3 more sources
The whole fertilization process can be affected by the presence of iso or auto-antibodies or even Fab fragments against specific antigens involved in fertilization like FA1 sperm surface antigen and ZP1, ZP2 and ZP3 oocyte surface antigens. These knowledges can be used to develop a natural vaccine (FA1 seems to be able to inhibit fertilization).
DE PLACIDO G +6 more
openaire +3 more sources