Menopause is the point in time when a woman's menstrual periods stop. Menopause happens because the ovaries stop producing the hormones estrogen and progesterone. Once you have gone through menopause, you can't get pregnant anymore.
Initially the UN Security Council imposed stringent economic sanctions on Iraq by adopting and enforcing United Nations Security Council Resolution 661. After the end of the 1991 Persian Gulf War, those sanctions were extended and elaborated on, including linkage to removal of weapons of mass destruction, by Resolution 687.
International pressure on North Korea has ratcheted up in recent days, as the U.S. imposed new unilateral sanctions and China began taking steps to implement a strict, new United Nations Security Council resolution. But while the U.S. has few economic ties with North Korea to cut, China has plenty of screws to tighten.