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“Causes of Male Infertility: A 9-year Prospective Monocentre Study on 1737 Patients with Reduced Total Sperm Counts” (2016), by Margus Punab, Oliv Poolamets, Piia Paju, Vladimir Vihljajev, Kristjan Pomm, Ruth Ladva, Paul Korrovits, and Maris Laan
By: Logan Hunt
| Published: Sep 20, 2024
In December of 2016, Margus Punab and colleagues published “Causes of Male Infertility: A 9-year Prospective Monocentre Study on 1737 Patients with…
Sperm CountSperm NumberSperm TailSpermSperm Motility
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
MicroSort
By: Alysse Blight
| Published: Jul 09, 2019
"MicroSort, developed in 1990 by the Genetics and IVF Institute, is a form of pre-conception sex selection technology for humans. Laboratories…
Technologyin vitroFertilization in vitro, HumanFertilization in VitroSperm donors
Ericsson Method of Sperm Separation
By: Alysse Blight
| Published: Sep 20, 2019
In 1973, Ronald Ericsson developed the Ericsson method, which is a technique used to separate human male sperm cells by their genetic material.…
TechnologySex ChromosomesGonosomesSpermSpermatozoa
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 Shettles Method of Sex Selection
By: Alysse Blight
| Published: Apr 03, 2019
In the 1960s in the United States Landrum B. Shettles developed the Shettles method, which is a procedure for couples to use prior to and during an…
TechnologySex PreselectionSex PredeterminationFamily PlanningSex Chromosomes
Wilhelm August Oscar Hertwig (1849-1922)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOva
Paternal Sperm Telomere Elongation and Its Impact on Offspring Fitness
By: Joanna Yang, Zane Bartlett
| Published: Feb 07, 2017
Telomeres are structures at the ends of DNA strands that get longer in the DNA of sperm cells as males age. That phenomenon is different for most…
TelomereAgingSpermSpermatozoaTelomerase
Sperm Capacitation - Image
By: Katherine Koczwara
| Published: Sep 23, 2019
The male body, followed by male reproductive organs from which the sperm originates, is depicted from top to bottom at the left.
SpermatozoaSpermSperm Capacitation