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Week 1: Starting Cerazette
Start Date: Did you begin on Day 1 of your period or mid-cycle?
Cerazette takes 48 hours to become effective if not started on Day 1.
Missing pills or vomiting within 2 hours of taking it can reduce effectiveness.
π§ What to note: Spotting may occur, and ovulation might still happen during the first week.
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Week 2: Side Effects Begin
Common issues: breast tenderness, nausea, mood swings, or irregular bleeding.
If you missed a pill or took it more than 12 hours late, this could increase pregnancy risk.
Using condoms as backup is often advised in early weeks.
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Week 3: Sexual Activity and Anxiety
If you had unprotected sex after a missed or delayed pill, pregnancy could occur.
Cerazette suppresses ovulation in ~97% of cycles, but a few women still ovulate.
Note any signs of implantation bleeding, fatigue, or cramping.
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Week 4: Suspicion and Testing
Did your period (or expected withdrawal bleeding) arrive?
Many women experience no period at all on Cerazette.
A home pregnancy test can detect pregnancy around this point, especially if conception happened early.
β
Key Takeaways:
Risk Factor Does It Increase Pregnancy Risk?
Missed a pill >12 hrs β
Yes
Started late in cycle β
Yes
Took antibiotics (like rifampicin) β
Yes
Vomited after pill β
Yes
Took on time daily β No (very low risk)
π§ͺ When to Take a Pregnancy Test:
At least 21 days after unprotected sex
Or if you experience nausea, missed bleeding, or breast changes
π¬ Final Thought:
Yes, pregnancy on Cerazette is possible, but rare with perfect use. If you're writing about your 4-week journey, highlight:
Missed pills?
Backup methods used?
Symptoms you noticed?