If you’re talking about what’s taking place inside your body each month: There’s a pretty limited shelf life once the egg is released from an ovary; an egg can hang out in the fallopian tubes unfertilized for about 12 to 24 hours, but after that, it will quickly be absorbed by the surrounding tissue. If you’re thinking in terms of how long you have before you won’t be able to pop a baby out on your own: Most women will start to become less fertile starting in their mid 30s, and by their mid-40s it becomes very difficult for most women to get pregnant using their own eggs.
Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.
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