中国医科大学妇产科学英文课件 family planning.pptVIP

1. Abnormal uterine bleeding Breakthrough bleeding If happens in the first half cycle: add EE (炔雌醇) 50-150μg/day for 2 weeks. If happens in the second half cycle: increase o.c. by 0.5-1 tablet/day for 2 weeks. 2) Cessation of menstruation Once: no need to treat Twice: change types of o.c. Amenorrhea: discontinue o.c. and try ovulation induction 3) Hypomenorrhea（月经过少） No treatment or EE 50-100 μg/day for 22 days Systemic Contraceptives Side effects 2. Morning sickness-like reaction VitB6 20mg, VitC 100mg, anisodamine (山莨菪碱)10mg tid po for 7 days. 3. Weight gain P (containing weak androgen activity): stimulating anabolism (合成代谢） E: causing sodium and water retention 4. Pigmentation (moth patch) (蝴蝶斑) 5. Others Headache, breast swelling pain, appetite increase, skin rash, pruritus (瘙痒), etc. Side effects Systemic Contraceptives Systemic contraceptives IUDs or IUCDs Barrier methods Natural methods Contraceptive methods Types of IUD 1. IUD made with inert materials Stainless steel, nylon, etc Fewer adverse reactions, but higher expulsion rate and pregnancy rate 2. IUD added with active substances 1) IUD with copper 2) IUD with progestogens, zinc, PG synthetase inhibitor 3. Third generation IUD IUDs 1) IUD with copper TCu-200 (1 year cumulative rate) Expulsion rate: 5.61% Pregnancy rate: 1.51% Removal rate (due to adverse effects): 9.22% Removal rate (due to other reasons): 3.62% ‘Overall failure rate’ 19.96% 2) IUD with progestogens, zinc, PG synthetase inhibitor 3. Third generation IUD Anchoring IUD IUDs Mechanism Primarily an aseptic inflammation reaction Phagocytic effect Leukocytes Prostaglandins Luteolysis (黄体溶解) Fibrinolysis（纤溶） Immune factor Interfering with implantation, sperms,