Doctor insights on:
Does Plan B Always Work
It should not harm: fetus. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if used within 24 hours. It continues to reduce the risk of pregnancy up to 120 hours (5 days) after unprotected sex, but is less effective as time passes. ...Read moreSee 1 more doctor answer
How big is big?: All emergency contraceptive pills are less effective in obese women, those w/BMI greater than 30 (http://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm). Check http://ec.princeton.edu/questions/ecobesity.html, http://www.npr.org/templates/story/story.php?storyId=247392818, http://www.npr.org/blogs/health/2013/11/26/247226093/emergency-contraceptive-pill-might-be-ineffective-for-obese ...Read moreSee 1 more doctor answer
PLAN B: hello~ its a higher dose of estrogen and this makes the lining of the uterus (endometrium) to get thicker than it would w'out it and that causes it to run out of blood supply to sustain it and it sloughs off ( ie;menstruation) and bonus is that if you had an available egg and an available sperm and conception occurred, the fertilzed egg cannot implant, it is then lost in the menstrual effluent ...Read moreSee 1 more doctor answer
Depends: If you took it and shortly thereafter had unprotected sex it would likely work the same way. However, i wouldn't suggest planning unprotected sex. Plan b is not a perfect method of pregnancy prevention. That's why we call it "emergency contraception" and not just in case contraception. ...Read more
It is effective: during that time. It can be taken at any time during a woman's cycle. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if used within 24 hours. It continues to reduce the risk of pregnancy up to 120 hours (5 days) after unprotected sex, but is less effective as time passes. ...Read moreSee 1 more doctor answer
Unfortunately not: Plan b is intended to be taken once within 72 hours of unprotected sex. The timing is actually the most important thing. The amount of hormone in the pill is designed for use as emergency contraception and is just right. So the earlier you take it after unprotected sex, the more likely you are to significantly reduce your chance of getting pregnant. ...Read moreSee 1 more doctor answer
Bad idea: Plan B works by blocking ovulation; once it wears off ovulation continues. If you have sex, the sperm sticks around, and once the pill wears off, the egg will come into contact with them once released (you actually increase your chances of getting pregnant). To really prevent pregnancy, best to use condoms and a second method such as BC pills every single time (why take a chance?) ...Read more
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