The fertility rate in the U.S. reached an all-time low last year, according to new CDC data released this month.

That trend has sparked fear among many on the right, from Elon Musk to Donald Trump.

They believe Americans should have more babies. Others are concerned about the potential consequences, especially for women.

So is the declining birth rate a problem

and how? For the final part of our series, The Next Frontier, special correspondent Sarah Varney

looks at this movement, encouraging families to have more children, its growing influence,

and its ties to the anti-abortion rights movement. Yeah, on this side we have our blue eggers.

After a visit to the chicken coop.

Wow, that's amazing.

And a stroll through the field behind Simone and Malcolm Collins'

late 18th century home in suburban Pennsylvania,

talk quickly turns to their vision for the future.

I'm mother to our four, soon five kids.

They want others to follow their lead.

People need to fundamentally rethink what it means to live a successful life.

For example, starting with family, starting with marriage, instead of starting with university,

college debt, career, tried to get out of debt, maybe eventually get married,

and then five years later, try to have children

while realizing your fertility window is already gone.

It's not ideal.

The Collins is a part of a movement known as pronatalism

that encourages people to have more children.

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