5 Fascinating Facts About Eggs




In the past weeks,  an image of a plain egg has taken the internet by storm. The photo of a brown chicken egg was posted on January 4th with an attempt to break Kylie Jenner’s record for the most liked photo on Instagram

The egg quickly gained popularity and with over 45 million likes is the most-liked image on Instagram. With all this attention to eggs, we couldn’t resist sharing some interesting facts about these incredible cells. 

Are you ready to take Juno’s egg challenge? How much do you really know about the human egg?

5 Egg-cellent facts about the human egg

  1. Human Eggs are remarkably big – Female egg is the largest cell in the human body and male sperm are the smallest. It is about 120 micrometers in diameter and it would take 15,000 sperm to equal the size of one single egg.
  2. A baby is born with all the eggs she will ever have throughout her lifetime – At birth, a woman’s ovaries will hold hundreds of thousands to millions of eggs in an immature state. On average, women ovulate about 400 to 500 eggs in their lifetime.
  3. It takes a long time for an egg to mature – The signal for an egg to start maturation starts 150 days prior to ovulation.
  4. An egg has a short life-span after ovulation – Once released, an egg can only be fertilized over the next 12-24 hours. 
  5. The human egg needs lots of energy – The female egg has the largest number of energy-producing organelles called mitochondria compared to any other cell. After fertilization, the mitochondria will not only provide the energy the egg needs for dividing and developing embryo but also be the source of all the mitochondria that will populate the cells of this person.

 These cells are fascinating and definitely deserve the spotlight 🙂 




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