Blender hair simulation working fine in viewport, but a fraction of it won't render

I have been working on creating a 3d character which uses hair simulation.
It is working fine in the viewport, but when I go to render it, a fraction of it will not render.

This is what it looks like in the viewport:
Screen Shot 2020-02-22 at 2.14.02 PM

But this is what it looks like when I render it:

Any help is appreciated,

Thanks.

Hi, I’ve moved this over to the blender stack exchange
Stack Exchange