INTRODUCTION In their article, ‘Gamete donor anonymity and limits on numbers of offspring: the views of three stakeholders’, Margaret K. Nelson, Rosanna Hertz and Wendy Kramer draw on survey data from gamete donors, parents who used gametes to conceive, and donor-conceived offspring in order to understand the position that various stakeholders are likely to hold regarding the regulation of two ...

Is there a common mechanism of eukaryotic sex? Two recent reports highlight an ancient and widely distributed protein that is key to gamete fusion and is a potential target for malaria vaccines.

Various techniques constitute assisted reproduction, one of which is gamete intra-fallopian transfer (GIFT). The first example of GIFT involved primates during the 1970s, however, the technology was unsuccessful until 1984 when an effective GIFT method was invented by Ricardo Asch [4] at the University of Texas Health Sciences Center [5] and the procedure resulted in the first human pregnancy [...

This document provides the latest recommendations for evaluation of potential sperm, oocyte, and embryo donors as well their recipients, incorporating recent information about optimal screening testing sexually transmitted infections, genetic diseases, psychological assessments. revised incorporates from US Centers Disease Control Prevention, Food Drug Administration, American Association Tissu...

The release of eggs and sperm into the environment for external fertilization is common (Giese & Kanatani 1987) and thought to be the ancestral mating strategy (Wray 1995). Most phyla have at least some species that release sperm into the environment (free spawning or spermcasting) and a majority have representatives that also release eggs (broadcast spawning) for external fertilization (Levita...