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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:% {7 M' _. p. C. i
Intrauterine Device- IUD:
* t; V+ o) n2 J( k% z0 Q, E Non-hormonal% T# k0 M: d3 ~. U' r
Used for pregnancy prevention& ~ y/ D& M7 O
T- shaped copper device
. a# G" Y; F# i, a Reduces the ability of the sperm to reach the egg and prevents a fertilized egg from implanting on the uterine wall" u9 |# v4 }2 m" z) M' s
Effective for up to 10years6 q) M a/ ?/ c/ @
Effectiveness: typical 99%
, ~/ r" D8 T$ \ e& Z Cost: $60-120) m1 ~' N: H+ n! B/ x( @
Can use if breastfeeding* l1 Y, h, _1 t% y8 a
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Intrauterine System - IUS& b" g. e. b( Q1 c" o/ E1 {
Mirena
% K; z6 y4 s2 X
! b. r8 V0 i! f Once in place in the uterus releases a small amount of hormone into the lining of the uterus$ o* f4 H+ G, m/ T" n
Causes the uterine lining to thin and thickens cervical mucus to prevent pregnancy
7 h9 q( p. V* R. J3 u! R7 e Effective for up to 5 years6 y3 `! L/ h/ \5 C A% ~ m `; l
Effectiveness: 99.9%
: O1 [' v% Z2 r0 h Cost: arount $350
$ f) ]! d: _0 K5 F Many medical plans cover part of the cost |
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