What hormones are in condoms which it was claimed to work better than?
And the statistics don't seem to back up the claim. Note the bolded below.
"Here is a list of some birth control methods with their failure rates and possible side effects.
Birth control methods, failure rates, and side effects MethodFailure rate (the number of pregnancies expected per 100 women) Some side effects and risks
Sterilization surgery for women
Less than 1 pregnancy
- Pain
- Bleeding
- Complications from surgery
- Ectopic (tubal) pregnancy
Sterilization implant for women
(Essure)
Less than 1 pregnancy
- Pain
- Ectopic (tubal) pregnancy
Sterilization surgery for men
Less than 1 pregnancy
- Pain
- Bleeding
- Complications from surgery
Implantable rod
(Implanon)
Less than 1 pregnancy
Might not work as well for women who are overweight or obese.
- Acne
- Weight gain
- Ovarian cysts
- Mood changes
- Depression
- Hair loss
- Headache
- Upset stomach
- Dizziness
- Sore breasts
- Changes in period
- Lower interest in sex
Intrauterine device
(ParaGard, Mirena)
Less than 1 pregnancy
- Cramps
- Bleeding between periods
- Pelvic inflammatory disease
- Infertility
- Tear or hole in the uterus
Shot/injection
(Depo-Provera)
Less than 1 pregnancy
- Bleeding between periods
- Weight gain
- Sore breasts
- Headaches
- Bone loss with long-term use
Oral contraceptives (combination pill, or "the pill")
5 pregnancies
Being overweight may increase the chance of getting pregnant while using the pill.
- Dizziness
- Upset stomach
- Changes in your period
- Changes in mood
- Weight gain
- High blood pressure
- Blood clots
- Heart attack
- Stroke
- New vision problems
Oral contraceptives (continuous/extended use, or "no-period pill")
5 pregnancies
Being overweight may increase the chance of getting pregnant while using the pill.
- Same as combination pill
- Spotting or bleeding between periods
- Hard to know if pregnant
Oral contraceptives (progestin-only pill, or "mini-pill")
5 pregnancies
Being overweight may increase the chance of getting pregnant while using the pill.
- Spotting or bleeding between periods
- Weight gain
- Sore breasts
Skin patch
(Ortho Evra)
5 pregnancies
May not work as well in women weighing more than 198 pounds.
- Similar to side effects for the combination pill
- Greater exposure to estrogen than with other methods
Vaginal ring (NuvaRing)
5 pregnancies
- Similar to side effects for the combination pill
- Swelling of the vagina
- Irritation
- Vaginal discharge
Male condom
11-16 pregnancies
Diaphragm with spermicide
15 pregnancies
- Irritation
- Allergic reactions
- Urinary tract infection
- Toxic shock if left in too long
Sponge with spermicide (Today Sponge)
16-32 pregnancies
- Irritation
- Allergic reactions
- Hard time taking it out
- Toxic shock if left in too long
Cervical cap with spermicide
17-23 pregnancies
- Irritation
- Allergic reactions
- Abnormal Pap smear
- Toxic shock if left in too long
Female condom
20 pregnancies
- Irritation
- Allergic reactions
Natural family planning (rhythm method)
25 pregnancies
None
Spermicide alone
30 pregnancies
It works best if used along with a barrier method, such as a condom.
- Irritation
- Allergic reactions
- Urinary tract infection
Emergency contraception ("morning-after pill," "Plan B One-Step," "Next Choice")
1 pregnancy
It must be used within 72 hours of having unprotected sex.
Should not be used as regular birth control; only in emergencies.
- Upset stomach
- Vomiting
- Lower stomach pain
- Fatigue
- Headache and dizziness
- Irregular bleeding
- Breast tenderness"
http://www.womenshealth.gov/publications/our-publications/fact-sheet/birth-control-methods.html