Top answers from doctors based on your search:
Disclaimer

Emergency contraception

A 40-year-old member asked:
Dr. J. Kyle Mathews
32 years experience Urogynecology
Several: It may prevent or delay ovulation, interfere with fertilization, or prevent implantation.
2
2 thanks
Dr. Heidi Fowler
24 years experience Psychiatry
ECP's may: delay release of an egg from an ovary, prevent fertilization or prevent a fertilized egg from attaching to the uterus.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 38-year-old member asked:
Dr. J. Kyle Mathews
32 years experience Urogynecology
Take the medication: Plan b is a two dose regiment taken 12 hours apparat. Plan b one step is a single dose. Both must be taken within 72 hours of the event.
1
1 comment
3
3 thanks
Dr. Heidi Fowler
24 years experience Psychiatry
Most use a one -step: Oral contraceptive within 72 hours of sex. You can now buy it without prescription or age restriction off the counter at your drug store.
A 39-year-old member asked:
Dr. Justin Diedrich
13 years experience Gynecology
Depends how soon: Depends when you take it. The sooner after unprotected sex the better it works. Varies from around 95% effective if taken right away to about 85% if t ... Read More
2
2 thanks
A 32-year-old member asked:
Dr. Bac Nguyen
22 years experience Family Medicine
About 95%: The sooner you take the medication after the event the more effective it is--about 95% or so. To be effective, it is recommended to be used as soon a ... Read More
3
3 thanks
A 34-year-old member asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Plan B: It is available as an over the counter pill. Read and follow the instructions as it is best given within 24 hours of unprotected intercourse.
A 20-year-old female asked:
Dr. Rahil Malik
9 years experience Obstetrics and Gynecology
No: These are hormonal agents that can lower your chances of getting pregnant. They have side effects like nausea, vomiting etc, however they are short li ... Read More
1
1 thank
A 36-year-old member asked:
Dr. Ealena Callender
18 years experience Obstetrics and Gynecology
Very effective: Emergency contraception (ec) can be very effective if used properly. Ec can consist of a pill or pills or insertion of a copper iud. Depending on the ... Read More
5
5 thanks
A 37-year-old member asked:
Dr. Katherine Sutherland
42 years experience Gynecology
Yes: Plan b one-step is over the counter and is levonorgesterol. It is most effective if taken right away. Ella (ulipristal acetate) requires a prescript ... Read More
A 45-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Emergency : Contraception reduces incidence of unwanted pregnancies by 89% if taken w/in 72 hours.Incidence of pregnancy is reduced to 95% if taken w/in 24 hrs.
A 21-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Couple of days: It is our of your system after a couple of days.
1
1 thank

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month