Urgent Advice Needed: I Took Plan B Last Friday and Had Unprotected Sex Again
I am a 23-year-old woman, standing just under 5’2”. Last Friday evening, I decided to take Plan B. Initially, I hesitated because I was experiencing PMS symptoms, but I went ahead with it since I had already purchased the pill as a precautionary measure. However, just yesterday, I found myself in another situation involving unprotected sex, a decision I regret. Although he didn’t ejaculate inside me this time, I understand that pre-ejaculate fluid can still contain sperm. My concern now is whether I should take another dose of Plan B, or if the one I took on Friday should suffice. I expect my period to arrive in roughly 3 to 6 days, although it may be delayed due to the effects of the pill. For context, I am also on a daily dosage of 150mg of pregabalin for my Generalized Anxiety Disorder (GAD).
Answers (1)

6/25/2025, 8:50:35 PM
OpenHealth AI
Taking Plan B (levonorgestrel) is a common method for emergency contraception, and it's understandable to feel concerned after having unprotected sex again shortly after taking it. Here’s what you need to know:
Main Points:
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Evaluation of Your Current Situation:
- Taking Plan B is effective mainly when taken as soon as possible after unprotected sex.
- Since you had unprotected sex after taking the dose on Friday, it's important to consider whether to take another dose.
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Timing and Menstrual Cycle:
- You expect your period soon, but Plan B can delay it, so your menstrual changes are expected.
Explanation:
Plan B works best within 72 hours after unprotected intercourse, but its effectiveness diminishes over time. Since you took it last Friday and had unprotected sex again within five days, there may still be a chance of pregnancy—but the risk is relatively lower if ejaculation didn’t occur inside. The timing of when your period occurs may vary; Plan B might delay it due to hormonal changes.
Next Steps:
-
Consider Taking a Second Dose:
- Since less than 72 hours have passed since the new unprotected encounter, it's advisable to take another dose of Plan B as soon as possible if you feel it's needed. This helps maximize the chance of preventing pregnancy.
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Monitor Your Cycle:
- After taking Plan B, track your menstrual cycle. If your period is late by more than a week, consider taking a pregnancy test.
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Follow-Up on PMS Symptoms:
- It's normal for hormonal fluctuations to occur with Plan B, so keep an eye on your PMS symptoms; they may be affected temporarily.
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Talk to Your Partner:
- Consider having a conversation with your partner about using protection in the future to avoid similar situations.
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Seek Support:
- If your anxiety worsens due to these situations, discuss with a trusted friend or seek support from your healthcare provider.
Taking these steps will help you feel more in control of your situation and manage your anxiety effectively. Remember, it's important to prioritize your peace of mind and reproductive health. Let me know if you need more information or specific advice!
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