The American birth rate is declining, why do you think that is?

The CDC just recently reported that, for the first time in history, more children are being born to women in their 40’s than teenagers. What do you think is the biggest cause for this change?

Me personally? I think manosphere content is helping women of all ages to easily find and mark all unsuitable male partners much more easily than before, making it easier for them to choose whose children to have.
The American birth rate is declining, why do you think that is?
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