While some females enjoy easy and good lives this is far from everyone.
Cis females who want children have to figure out a way to combine that with having a career or become stay at home mothers, neither option is particularly good.
Fertile females who dont want children can still get pregnant from sex, no birth control method is fully reliable and some females are raped.
Females use more likely to use psychiatric drugs like anti-depression pills, this often result in severe side effects such as PSSD.
While its easier for females to get sex its still difficult to find a good male partner, you are responsible for choosing someone suitable to later get custody over your children, raise them, give them 50% of their genetics.
When females to the right thing and reject males who clearly are not suitable fir fatherhood they get hated for doing the right thing.