Female reproductive tract blocks weak sperm from reaching egg
Sperm Selection: Fertilization Not Random After All? | Psychology Today
Does sperm itself have a gender? Or does it become a gender when it develops into a baby? - Quora
Is the sperm that carries male chromosomes faster than the sperm that carries female chromosomes? - Quora
Doing more with less: Sperm without a fully active tail move faster and more efficiently, new study finds
Changing sperm speed can influence offspring's sex, mouse study suggests | Science | AAAS
Cells | Free Full-Text | Co-Adaptation of Physical Attributes of the Mammalian Female Reproductive Tract and Sperm to Facilitate Fertilization
How sperm are activated | National Institutes of Health (NIH)
Frontiers | New Biological Insights on X and Y Chromosome-Bearing Spermatozoa
Misinformation about X and Y . sperm | Vinmec
Opinion: The biggest sperm come in the smallest packages – and other odd facts about male sex cells | University of Cambridge
Here's what science says about how you can conceive a boy or girl | Life
Sperm - Sleek, Fast and Focused: The Cells That Make Dad Dad - Natalie Angier - The New York Times
Is the sperm that carries male chromosomes faster than the sperm that carries female chromosomes? - Quora
Cells | Free Full-Text | Prediction of Sperm Progression in Three Dimensions Using Rapid Optical Imaging and Dynamic Mechanical Modeling
Y-sperm' moves faster but dies more quickly? No – and this won't help you choose the sex of your baby - Africa Check
Teams of sperm swim more smoothly against the current
Study suggests female reproductive tract may have evolved to favor faster swimming sperm
Sperm Selection: Fertilization Not Random After All? | Psychology Today
Guide to Sperm: Sperm Motility and Male Fertility | Legacy
How does a male sperm get into the female vagina and then in the egg cell? - Quora
Long sperm swim faster, fertilise more eggs | Health News - The Indian Express
12 Widely Believed Sperm Facts That Are Actually False
