It depends if your uterus and ovaries are removed
Menopause After Hysterectomy: Before we answer the question of “how long does menopause after hysterectomy” it’s important to note that the word hysterectomy only refers to the removal of the uterus — not the ovaries. And it’s the removal of your ovaries (not your uterus) that can cause instant menopause.
There is some evidence that Menopause After Hysterectomy can affect hormone production even when the ovaries are preserved. For the most part, though, doctors say that keeping the ovaries allows women to go through natural menopause even without a uterus.For women like Ruth Lamar, who have both their uterus and ovaries removed, surgery can soon be followed by such menopausal symptoms as hot flashes and mood swings. “I’d be crying one minute, angry the next, happy the next,” recalls Lamar, now 50, of Fenton,