Many couples trying to conceive find themselves asking the same question month after month: “Did we time it right?” Even after carefully tracking ovulation, confusion often persists about when ...

Did you know that millions of sperm race toward the egg during ovulation, yet only one completes the journey? Many patients and couples trying to conceive worry about what truly happens at this moment ...

Some men produce too many sperms. That little-mentioned fact was the focus of my previous blog post. (See Why Too Many Sperms Spoil the Egg, posted on August 11, 2017.) With too many sperms, an ...

Within minutes of fertilization, the egg of a fruit fly becomes a scene from the battle of the sexes. The egg attacks and destroys the cellular "power plants" (mitochondria) from the sperm that had ...

Add Yahoo as a preferred source to see more of our stories on Google. It's a commonly held belief: Sperm cells are like runners in an epic race, competing against each other for access to the coveted ...

"Swipe right. Swipe left." On an evolutionary level, the finger flick of choice in the human mating game is often influenced by subconscious input from our most primal instincts. In females, for ...

Scientists have been promising a breakthrough in fertility tech and the United Kingdom’s fertility watchdog group gathered last week to make sure it was prepared. When it comes, in-vitro gametes (IVG) ...