Children happen to be more attached to the female narcissist due to the way our society is still structured and to the fact that women are the ones to give birth and to serve as primary caretakers. It is much easier for a woman to think of her children as her extensions because they once indeed were her physical extensions and because her on-going interaction with them is both more intensive and more extensive.
[The] male narcissist is more likely to regard his children as a nuisance than as a Source of Narcissistic Supply - especially as they grow older and become autonomous.
With less alternatives than men, the narcissistic woman fights to maintain her most reliable Source of Supply: her children. Through insidious indoctrination, guilt-formation, emotional sanctions and blackmail, deprivation and other psychological mechanisms, she tries to induce in her offspring dependence which cannot easily be unraveled.