I've written before about the importance of zinc for fertility. This article talks about how an egg needs zinc to become fertilized and become an embryo. Although this study was not done on humans, it's probably good to make sure your diet includes zinc rich foods. Read more:
www.sciencedaily.com
From the article:
Northwestern scientists, working with mice, discovered the egg becomes ravenous for zinc and acquires a 50 percent increase in the metal in order to reach full maturity before becoming fertilized. The flood of zinc appears to flip a switch so the egg can progress through the final stages of meiosis. Meiosis is when the egg sheds all but one copy of its maternal chromosomes before it can be fertilized by a sperm and become an embryo.
"Zinc helps the egg exit from a holding pattern to its final critical stage of development," said O'Halloran, the Charles E. and Emma H. Morrison Professor of Chemistry in the Weinberg College of Arts and Sciences at Northwestern. "It's on the knife's edge of becoming a new life form or becoming a cell that dies. It only has 24 hours. Zinc seems to be a key switch that helps control whether the egg moves forward in its development stage. "
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