A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Figure 2: Neighbour-joining dendrogram of the genetic (allele-shared) distances between queens (Q), gynes (G) and male sperms (M) collected over all the five sites (A–E). A comparison between nests ...

An international team of scientists surprised the world by reporting that female hammerhead sharks can reproduce without males through parthenogenesis, or "virgin birth". It was previously believed ...

Women with disabilities have the right to access and use Assistive Reproductive Technology (ART). 1 Infertility, same-sex parenting, and single parenthood are typical reasons for using ART. There are ...

Human Reproduction is a peer-reviewed scientific journal covering all aspects of human reproduction, including reproductive physiology and pathology, endocrinology, andrology, gonad function, ...

GIFT (gamete intrafallopian transfer) and ZIFT (zygote intrafallopian transfer) are modified versions of in vitro fertilization (IVF). Like IVF, these procedures involve retrieving an egg from the ...

Who needs men? A female shark separated from her long-term mate has developed the ability to have babies on her own. Leonie the zebra shark (Stegostoma fasciatum) met her male partner at an aquarium ...

Consensus of 25 evangelical scholars who participated inA PROTESTANT SYMPOSIUM ON THE CONTROL OF HUMAN REPRODUCTION, Aug. 27–31, 1968. Prologue. We affirm that ultimate values come from God through ...