🚀 Is It Possible to Get Pregnant in Space?

Space agencies around the world are exploring plans to build colonies on the Moon and Mars. However, any long-term settlement would require more than just survival; it would necessitate reproduction, including having children and raising livestock. Gravity on the Moon is about six times weaker than on Earth, and on Mars it's roughly three times weaker. During space travel itself, there's almost no gravity at all.

❓ To understand how this might affect fertilization and early development, Australian researchers introduced human, mouse, and pig sperm into microchannels designed to mimic the female reproductive tract. The setup was placed in a clinostat—a device that rotates samples to simulate microgravity.

In these "space-like" conditions, about 50% fewer sperm reached their target. Without gravity, they struggled to maintain their direction. In mice, this resulted in a 30% decrease in successful fertilization. Interestingly, the sperm that reached the egg produced higher-quality embryos.

⚡️ However, about a day after fertilization, embryo development in mice began to slow, and fewer cells formed during the critical early stages than normal. This raises concerns about whether pregnancy and childbirth would be possible outside Earth.

"The clearest conclusion is that reproduction in space is going to be considerably more challenging than most people assume, and that the challenges appear at multiple stages, not just one," says study lead Nicole McPherson.

@hiaimediaen