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How effective are condoms

A 19-year-old member asked:
Dr. Daniel Chappell
11 years experience Family Medicine
75%: Both methods are about 75-85% effective. Proper condom use increases their effectiveness, including applying the condom before penetration. Here's a g ... Read More
6
6 thanks
Dr. John Weeks
45 years experience Family Medicine
For what?: Condoms are much more effective than withdrawal (pulling out) in preventing sexually transmitted infections.
4
4 thanks
Dr. Elizabeth Baron-Kuhn
39 years experience Obstetrics and Gynecology
1 good the other not: Condoms when used correctly are about 96-98% effective and if used with spermicide can be 98-99% effective. "pulling out" or withdrawal is not really ... Read More
9
9 thanks

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A 23-year-old female asked:
Dr. Alan Patterson
42 years experience Obstetrics and Gynecology
About 85%: Because sometimes there could be a microsscpic hole or sperm can leak out around the edge, if u use condoms and something else like contraceptive foam ... Read More
Dr. Tony Ho
Dr. Tony Ho answered
14 years experience Infectious Disease
98%: If used perfectly, condoms boast a 98% efficacy.
A 19-year-old female asked:
Dr. Robert Killian
28 years experience General Practice
Condoms work: Yes. They are all extremely effective if worn from before insertion to withdrawal after sex. They are the number one choice for pregnancy prevention ... Read More
1
1 thank
A 16-year-old female asked:
Dr. Jane Van Dis
18 years experience Obstetrics and Gynecology
Very: Plan b taken within 1 hours is going to have an effectiveness rate of around 80-85%. That is if a woman were ovulating at that time, she would have 80 ... Read More
1
1 thank
A 47-year-old member asked:
Dr. David Kurss
39 years experience Obstetrics and Gynecology
Fairly : Can't recall the results of an actual study certifying effectiveness of condoms to prevent the transmission of genital herpes. Be aware that, general ... Read More
2
2 thanks
A 23-year-old female asked:
Dr. Dan Fisher
27 years experience Internal Medicine
Pretty good.: Very effective if used consistently and properly. Failure rate with perfect use is about 2%. Failure rate with typical use is 20%.
1
1 thank
A 21-year-old male asked:
Dr. Jane Van Dis
18 years experience Obstetrics and Gynecology
50%: For plan b, around 50% 55 hours after unprotected sex. Condoms alone if used over course of 1 year will have a 25% pregnancy rate. Sounds like a more ... Read More
A 22-year-old female asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Condoms: Consistent & correct use of condoms has a 98 % rate of efficacy in preventing pregnancy. However, condoms are not always used consistently or pro ... Read More
A 19-year-old male asked:
Dr. Al Hegab
Dr. Al Hegab answered
40 years experience Allergy and Immunology
Latex: Not lamb skin condoms better defend against stds/hiv, but not 100% protection, still practicing safe sex is your best option
A 22-year-old female asked:
Dr. Peter Baumann
Specializes in Obstetrics and Gynecology
No studies: Condoms, if properly used, are very effective. I am not aware of any study that would have addressed the lowering of effectiveness of condoms by openi ... Read More

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