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Concentration Changes of Medroxyprogesterone Acetate in Serum and Milk in Lactating Woman Who Used Depo Geston~
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作者 Su-hua FANG Dan-li SUN +1 位作者 Hai-ying JIANG Hong-ying LUO 《Journal of Reproduction and Contraception》 CAS 2004年第3期157-162,共6页
Objective To determine the concentration changes of medroxyprogesterone acetate (MPA) in serum and milk in the Chinese lactating women who used Depo Geston Methods Ten postpartum and breastfeeding women received an ... Objective To determine the concentration changes of medroxyprogesterone acetate (MPA) in serum and milk in the Chinese lactating women who used Depo Geston Methods Ten postpartum and breastfeeding women received an injectable contraceptive of Depo Geston (depo medroxyprogesterone acetate, DMPA, 150 mg/ampoule). Serum and milk samples were collected in the 1^st, 2^st, 4^th, 6^th, 8^th 10^th and 12^th week after contraceptive injection. The concentrations of medroxyprogesterone acetate (MPA) in serum and milk were determined by radioimmunoassay. Results The highest MPA concentration in serum was observed at the 1^st week and then the level of serum MPA decreased obviously at the 2^na and 4^th week. After the 4^th week, the decline of serum MPA level slowed down. The concentration of milk MPA reached the highest level at 1^th week. But at the 2^nd week the average level of MPA in milk dropped by half The MPA concentration in the milk was changed in the range of 5.2-8.3 ng/mL in the following 10 weeks. During observation, the average ratios of concentration and area under curve (AUC) in milk/serum were both 0.55. There was a wide variation in MPA concentrations and ratios of milk/serum between subjects. Conclusion MPA concentrations maintained a certaim level at the 12^th week after DMPA injection. However, whether mather's intake of DMPA during feeding period has effect on children's growth, espcially pubertal growth, deserves further studies. 展开更多
关键词 depot medroxyprogesterone acetate (DMPA) injectable contraceptive duration of lactation MPA concentration and ratio in serum/milk
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