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目的 探讨产后哺乳妇女首次排卵时间与婴儿喂养的关系,为哺乳妇女采取避孕措施提供科学依据。方法 对101 例哺乳妇女进行B超监测排卵,并结合基础体温测量及宫颈粘液评分进行连续观察;记录哺乳妇女的月经复潮时间和婴儿添加辅食的时间。结果 (1) 通过B超监测发现,101 例哺乳妇女中,有53 例(52-5% ) 平均在产后154 天(5-1 个月) 监测到直径> 1-8 cm 的成熟卵泡。产后4 个月内首次排卵者11 例(10-9 %) ,4 个月后首次排卵者42 例(41-6% ) 。(2) 排卵者基础体温测量均呈双相,但多数高温相<10 天。(3)53 例排卵者宫颈粘液评分总分为6 ~11 分。(4) 婴儿添加辅食的时间为平均4 个月,与月经复潮时间及首次排卵时间呈显著正相关。结论 产后哺乳妇女自行选择避孕措施的具体实施,应在产后4 个月开始,延长母乳喂养的时间是避孕的一种有效方法。添加辅食开始时间早于4 个月时,对产后月经复潮及排卵有较大影响。
Objective To investigate the relationship between postpartum lactation women ’s first ovulation time and infant feeding, and provide scientific basis for contraception for lactating women. Methods 101 breast-feeding women underwent B-mode ovulation monitoring, combined with basal body temperature measurement and cervical mucus score for continuous observation. The duration of menstruation recuperation and the time for feeding complementary food were recorded. Results (1) By B-mode ultrasound, mature follicles> 1-8 cm in diameter were detected in 53 of 101 (52-5%) lactating women on average 154 days postpartum (5-1 months). Eleven patients (10-9%) had their first ovulation within 4 months after birth and 42 patients (41-6%) had their first ovulation 4 months later. (2) The basal body temperature measurement of ovulation was biphasic, but most of the high temperature phase <10 days. (3) 53 cases of ovulation cervical mucus score score 6 to 11 points. (4) The average time for infant to add food supplement was 4 months, which was positively correlated with the time of menstruation and the time of first ovulation. Conclusions The specific implementation of the contraceptive measures for postpartum lactating women should be started at 4 months after delivery, and extending the time of breastfeeding is an effective method of contraception. Supplementary food supplement start time earlier than 4 months, the postpartum menstrual cycle and ovulation have a greater impact.