How sperm meets egg: a journey from production to fertilization2022-08-24
2022年8月9日 Out of the approximately 5,000 sperm that enter the utero-tubal junction, about 1,000 get inside the Fallopian tube. Finally, out of the 1,000 that enter the tube, it is estimated that only 200 make it to the egg. However, in the end, only 1 sperm out of the 200 that reach the egg is able to penetrate and fertilize it.
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