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does taking plan b affect your period

A 17-year-old male asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
30 years experience Geriatrics
Plan B: Common side effects of Plan B are a change in menses. Check out http://www.drugs.com/sfx/plan-b-side-effects.html for more info.
Dr. Heidi Fowler
25 years experience Psychiatry
It can impact timing: of period. Potential side effects w emergency contraception include: menstrual flow changes (spotting, bleeding, early or late period), nausea, vomiti ... Read More

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A 18-year-old male asked:
Dr. Oscar Novick
58 years experience Pediatrics
PlanB: PlanB can disrupt your periodI t could return to normal next month
A 21-year-old female asked:
Dr. Robert Killian
28 years experience General Practice
Reading labels: Plan b will interrupt, interfere, and wreak havoc on a menstrual cycle for up to two months.
Dr. Heidi Fowler
25 years experience Psychiatry
Use of Plan B may: be the cause. Potential side effects w emergency contraception includes menstrual flow changes (spotting, bleeding, early or late period), nausea, vo ... Read More
A 35-year-old member asked:
Dr. Ravi Chand
26 years experience Psychiatry
Period: If you had unprotected intercourse rule out pregnancy via urine and blood test as you want to rule out normal versus ectopic pregnancy. Consult your o ... Read More
A 37-year-old female asked:
Dr. Robert Kwok
33 years experience Pediatrics
It can happen: Irregular bleeding after taking a morning-after pill like Plan B, or Ella (ulipristal) is somewhat common. Some women get spotting or bleeding before ... Read More
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A 18-year-old female asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Not sure: If it works, it still could delay your period starting by a few days.
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A 44-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
That is variable.: Plan b can cause changes in menstrual flow (spotting, bleeding, early or late period or spotting instead of period).
A 21-year-old female asked:
Dr. Timothy Raichle
22 years experience Obstetrics and Gynecology
Yes: Planb is most effective when taken within 72 hours of unprotected intercourse. If you take planb, expect some irregular bleeding and a delay in your ... Read More
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A 25-year-old female asked:
Dr. Robert Killian
28 years experience General Practice
Take Pregnancy Test: No preaching. You took Plan B too late. It is time for a pregnancy test. Home pregnancy tests are available in nearly every store there in johnson cit ... Read More
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A 32-year-old member asked:
Dr. Nurit Winkler
26 years experience Fertility Medicine
Unlikely: Unlikely that Plan B will cause a lost of menstruation for 7 months. I would take a pregnancy test and schedule a time to meet with your obgyn for a ... Read More
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2 thanks

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