It is required for proper sexual differentiation and male viability.

It is a part of the stages of sexual differentiation.

This may represent a normal developmental process, contributing to sexual differentiation.

The same chemical plays a unique role in the worm's sexual differentiation.

I say 'his' when of course I do not know whether this race has a sexual differentiation.

The specific factors and causes underlying this sexual differentiation are largely unknown.

The latter is a part of the stages of sexual differentiation.

His work also covers gender identity and human sexual differentiation.

For information about how males and females develop differences throughout the lifespan, see sexual differentiation.

In humans, sexual differentiation starts approximately 6 weeks after conception.