joy of being born a woman; good fortune of being a woman
Expresses the happiness or advantage felt specifically because one is a woman. Often used in a light, self-congratulatory way, e.g., when enjoying something considered a feminine pleasure.
While eating delicious sweets, she said, 'This is the ultimate joy of being a woman.'
温泉でゆっくりするのは女冥利というものだ。
Relaxing in a hot spring is what you'd call the good fortune of being a woman.