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前段时间闲来无事去听了个避孕的讲座,发的材料还留着,IUD和IUS的部分是这么说的:% N5 [+ X0 q7 e& \
Intrauterine Device- IUD:# `2 s, g: N8 {/ C+ a5 y- e6 Q+ z
Non-hormonal8 P" H2 W/ L" M0 P% g
Used for pregnancy prevention
- g* ]2 h) j: P0 G4 C3 i. b* { u T- shaped copper device7 a( s9 q. e5 ]! q# Y) _. t
Reduces the ability of the sperm to reach the egg and prevents a fertilized egg from implanting on the uterine wall
. A+ @7 e: \) d9 ^, H, ` Effective for up to 10years
5 `8 u4 |9 w7 J& Q+ `# e Effectiveness: typical 99%
- C9 d9 i4 r0 y P* p" f Cost: $60-120& @+ y& w7 W" ^% c
Can use if breastfeeding0 Y4 k8 y" w7 J+ R$ s
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' [6 [6 r. Z h) d lIntrauterine System - IUS
' n/ o k! g4 i" b% K kMirena2 c& [/ B$ e) W2 {+ z% }5 H3 [
+ c8 F: _ t1 i j Once in place in the uterus releases a small amount of hormone into the lining of the uterus# H2 Y% `; x1 ^; B! R3 |" f# M
Causes the uterine lining to thin and thickens cervical mucus to prevent pregnancy
; o, l7 L2 y: [5 Z; x5 k Effective for up to 5 years
0 O, r1 j$ I* p6 p( ]2 w; m% @ Effectiveness: 99.9%
8 J3 R L6 p$ M: K+ l Cost: arount $350% m" e- Z& b' l4 b
Many medical plans cover part of the cost |
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