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Can my partner get pregnant after unprotected sex post-period?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I had sex with my partner without any protection just after her periods ended. The last day of her period was five days back, and unprotected sex happened three to four days back. What are the chances of being pregnant?

Please help.

Thank you.

Hello,

Welcome to icliniq.com.

I can understand your concern.

The chances of pregnancy from unprotected sex, just after your partner's period ended five days ago, are low but not zero. Here is why:

Ovulation and fertile window-

  1. A typical menstrual cycle lasts 28 to 30 days, with ovulation usually occurring around day 14 (counting from the first day of the last period).

  2. Since your partner's last period ended five days back, the next days would be days seven and eight of her cycle, which is generally before ovulation.

  3. Sperm can survive in the female body for up to five days, so if she ovulates early (e.g., around day 10 to 12), pregnancy could be possible.

Factors affecting pregnancy risk-

  1. Cycle length: If her cycles are short (e.g., 21 to 24 days), she may ovulate earlier, increasing the risk.

  2. Irregular periods: If she has irregular cycles, ovulation timing may be unpredictable.

  3. Past cycle patterns: If she usually ovulates early, the risk may be slightly higher.

What can you do now?

  1. Emergency contraception (morning-after pill) – If taken within 72 hours (three days), it can reduce pregnancy risk. Some pills work up to five days.

  2. Wait for her next period – If it is delayed, she can take a pregnancy test around 2 weeks after ovulation.

Would you like information on emergency contraception or tracking ovulation?

I hope this helps.

Kindly follow up if you have more concerns.

Thank you.

Medically reviewed byiCliniq medical review team

Published At April 28, 2025
Reviewed AtApril 28, 2025

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