Can an egg reject sperm?
Can eggs reject sperm? Maybe. This research shows that interactions between human eggs and sperm are more complex than once believed. And interestingly, a female's egg may not always “agree” with her choice of partner.
Can an egg reject sperm?
Can an egg reject sperm? Can an egg reject sperm? Can an egg reject sperm? Can an egg reject sperm? Can an egg reject sperm? Can an egg reject sperm?
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