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David Wildt's Evolving Ethics Concerning the Roles of Wildlife Reproductive Sciences in Species Conservation
By: Caroline Appleton
| Published: Aug 18, 2014
David Wildt is an animal reproductive biologist who directs the Conservation Biology Institute in Fort Royal, Virginia. In 1986, Wildt argued that…
ethicsFertilization in VitroEmbryo transplantationReproductive technologyEndangered Species
Intracytoplasmic Sperm Injection
By: Tian Zhu
| Published: Jun 10, 2009
Intracytoplasmic Sperm Injection (ICSI) is an assisted reproductive technique (ART) initially developed by Dr. Gianpiero D. Palermo in 1993 to treat…
TechnologySperm Injections, IntracytoplasmicReproductionFertilization
Estrogen and the Menstrual Cycle in Humans
By: Brendan Van Iten
| Published: Jun 22, 2016
Estrogen is the primary sex hormone in women and it functions during the reproductive menstrual cycle. Women have three major types of estrogen:…
Menstrual CycleOral contraceptivesEstrogenEstradiolEstrone
Recombinant Gonadotropins Used in Fertility Treatments
By: Alison Lane
| Published: Oct 26, 2020
First manufactured in 1988 by Serono laboratories, recombinant gonadotropins are synthetic hormones that can stimulate egg production in women for…
TechnologyRecombination, GeneticGenetic recombination--ResearchLuteinizing HormoneGonadotropin
Symptoms Associated with Polycystic Ovarian Syndrome (PCOS)
By: Alexis Darby
| Published: Dec 19, 2017
Polycystic ovarian syndrome or PCOS is one of the most common reproductive conditions in women, and its symptoms include cystic ovaries, menstrual…
Polycystic ovary syndromeHirsutismOligomenorrheaMenstruation DisturbancesAmenorrhea
Sperm Capacitation
By: Stephen Ruffenach
| Published: Jul 07, 2009
Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an egg. This…
Sperm CapacitationSpermOvaFertilization
The Southern Gastric-Brooding Frog
By: Christopher Rojas
| Published: Jan 26, 2015
The Southern Gastric-Brooding Frog (Rheobatrachus silus) was an aquatic frog that lived in south-east Australia. In 2002, the International Union…
Sexual behavior in animalsReproductive BehaviorExtinction (Biology)Extinct animalsCloning
The Gräfenberg Spot (G-Spot)
By: Baylee A. Edwards
| Published: Aug 27, 2024
The Gräfenberg spot, or the G-spot, is thought to be an area in the anterior, or front, vaginal wall that contributes to sexual pleasure. Ernst…
Sexual HealthSexual Dysfunction, PhysiologicalVaginaClitorisVulva
Possums (1952), by Carl G. Hartman
By: Gia Goodman, Karen Wellner
| Published: Dec 02, 2013
Possums is a 174-page book consisting of a series of essays written about the Virginia opossum (Didelphis virginiana), the only living marsupial in…
LiteratureVirginia opossumEmbryologyMarsupialsNatural history
Genetics and IVF Institute, GIVF
By: Alysse Blight
| Published: Feb 19, 2019
In 1984, human genetics and reproduction researcher and physician Joseph D. Schulman founded the Genetics and IVF Institute, an international…
OrganizationFertilization in VitroInfertility, FemaleFertilization in vitro, HumanFertilization in vitro, Human--Law and legislation