高龄初产妇的概念来源于1958年国际妇产科联合协会,是以年龄≥35岁的初产妇称高龄初产妇[1]。目前各国已普遍将年龄≥35岁的妊娠列为高龄妊娠[2]。随着社会的发展,女性受高等教育及社会地位的提高,晚婚、晚育的妇女有所增加。近年来国内具有年龄大(≥35岁)、孕次高(≥3次)、产 The concept of advanced primiparous originates from the International Union of Gynecology and Obstetrics, 1958, which refers to primipara by age 35 years or older [1]. At present, countries generally have gestational age ≥35 years old as pregnancy [2]. With the development of society, women have been given higher education and higher social status, and the number of women who marry late and later have increased. In recent years, the country has a large age (≥ 35 years old), pregnant times high (≥ 3 times), production