Signs of Possible Pregnancy: Symptoms to Watch After Unprotected Sex - Obstetrics and Gynecology

Share to:

I am not sure if these symptoms indicate pregnancy?


Hello Doctor, I recently had sexual intercourse with my girlfriend while she was still on her menstrual period, and there was some light bleeding.
At that time, I did not use a condom and did not ejaculate.
A week later, my girlfriend started experiencing symptoms similar to menstrual cramps in her lower abdomen, along with some soreness.
The next day, she developed lower back pain, and these symptoms have not improved significantly.
Recently, she has also mentioned feeling hungry at night, which is unusual for her.
These symptoms have raised our concern about the possibility of pregnancy.
Here is a detailed timeline:
- Last menstrual period started on April 7
- Previous menstrual period started on May 6
- Last menstrual period started on June 4
- Most recent menstrual period was around July 3-4
- Last sexual intercourse was on July 8
- Began experiencing cramp-like pain on July 15
- Lower back pain started on July 16
- Pain symptoms have not improved significantly since then
We are unsure if these symptoms are related to pregnancy.
If we want to use a pregnancy test, when would be the best date to take it? Thank you for your attention, Doctor.

Henry, 20~29 year old female. Ask Date: 2018/07/19

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, the questioner: There is a possibility of pregnancy even if ejaculation has not occurred, as pre-ejaculatory fluid may contain sperm.
Additionally, early pregnancy does not always present specific symptoms, and subjective symptoms cannot be used to make a judgment.
It is recommended to check for pregnancy if your period is more than a week late.
Thank you! Wishing you peace and health, Dr.
Zhang.

Reply Date: 2018/07/19

More Info


When it comes to the signs of possible pregnancy after unprotected sex, it’s important to understand that various symptoms can arise, but they are not definitive indicators of pregnancy. In your case, your girlfriend is experiencing symptoms such as abdominal pain, lower back pain, and increased hunger, which can be concerning and may lead you to wonder about the possibility of pregnancy.

Firstly, let’s clarify the timeline you provided. Your girlfriend's last menstrual period started on July 3rd, and you had unprotected sex on July 8th. Given that her menstrual cycle typically ranges from 28 to 31 days, ovulation likely occurred around July 17th to July 20th, which is when she would be most fertile. If sperm was present during this fertile window, there is a possibility of conception.

The symptoms you mentioned—abdominal pain similar to menstrual cramps, lower back pain, and increased appetite—can be associated with early pregnancy, but they can also be attributed to other factors such as premenstrual syndrome (PMS), stress, or even gastrointestinal issues. It is crucial to note that the presence of slight bleeding during her menstrual cycle could complicate the situation, as it may indicate that her period is still ongoing or that there are other underlying issues.

In terms of testing for pregnancy, it is generally recommended to wait until at least the first day of her expected period to take a home pregnancy test for the most accurate results. Since her cycle is expected to start around July 31st to August 3rd, you should consider testing around that time. Home pregnancy tests work by detecting the hormone hCG (human chorionic gonadotropin), which is produced shortly after a fertilized egg attaches to the uterine lining. Testing too early may result in a false negative due to insufficient hCG levels.

If your girlfriend's period is late by a week or more, it would be advisable to take a pregnancy test at that point. If the test is positive, or if she continues to experience unusual symptoms, it would be wise to consult a healthcare provider for further evaluation. They may recommend a blood test or an ultrasound to confirm pregnancy and assess her overall health.

In summary, while the symptoms your girlfriend is experiencing could potentially indicate pregnancy, they are not definitive. The best course of action is to wait until her expected period date to take a home pregnancy test. If there are any concerns or if symptoms persist, seeking medical advice is essential for proper diagnosis and peace of mind.

Similar Q&A

Signs of Pregnancy: What to Know After Unprotected Sex at 15

Hello Doctor: I am 15 years old. I had sexual intercourse on the second day of my educational examination. At that time, my menstrual period was nearing its end and there was not much bleeding. The boy used a condom the first time, but did not the second time. However, he did not...


Dr. Wu Xianghui reply Obstetrics and Gynecology
Abnormal discharge caused by vaginal infections can affect pregnancy. Please perform a pregnancy test on your own or consult a gynecologist for evaluation four weeks after sexual intercourse.

[Read More] Signs of Pregnancy: What to Know After Unprotected Sex at 15


Understanding Ovulation and Pregnancy Symptoms After Unprotected Sex

Doctor, excuse me, I would like to ask about a situation. My partner and I had unprotected intercourse during her ovulation period, but there was no ejaculation; however, there may have been pre-ejaculate fluid in the vagina. Five days after this incident, my partner experienced ...


Dr. Huang Jianzhong reply Obstetrics and Gynecology
Having unprotected intercourse with a partner during ovulation, even without ejaculation, may still result in the presence of pre-ejaculatory fluid in the vagina. If your partner experiences symptoms such as frequent urination and nausea five days after the encounter, these could...

[Read More] Understanding Ovulation and Pregnancy Symptoms After Unprotected Sex


Understanding Pregnancy Risks and Symptoms After Unprotected Intercourse

On July 28, it was the second day after my period ended, and I had unprotected intercourse (but I pulled out quickly and ensured there was no ejaculation). On August 2, I had unprotected intercourse again under the same conditions (it was during my ovulation period but not on the...


Dr. Chen Zhiyu reply Obstetrics and Gynecology
Hello! It is recommended to take a home pregnancy test about 2 to 3 weeks after engaging in unprotected intimate relations if your period has not occurred. If further consultation or confirmation is needed, it is advisable to visit a gynecologist. Thank you.

[Read More] Understanding Pregnancy Risks and Symptoms After Unprotected Intercourse


When to Expect Early Pregnancy Symptoms After Unprotected Sex?

Early pregnancy symptoms (e.g., frequent urination, changes in eating habits, etc.) typically appear about one to two weeks after conception, which is usually around the time of a missed period. If you have had unprotected intercourse during your fertile window and are currently ...


Dr. Huang Jianzhong reply Obstetrics and Gynecology
Early pregnancy symptoms (e.g., frequent urination, changes in eating habits) typically appear about a week or two after conception. If there are no other early pregnancy symptoms besides a missed period, and if there was transparent fluid present during intercourse, it may not b...

[Read More] When to Expect Early Pregnancy Symptoms After Unprotected Sex?


Related FAQ

Pain During Intercourse

(Obstetrics and Gynecology)

Sexually Transmitted Disease

(Obstetrics and Gynecology)

Pregnancy Likelihood

(Obstetrics and Gynecology)

Pregnancy Test

(Obstetrics and Gynecology)

During Pregnancy

(Obstetrics and Gynecology)

Post-Coital Bleeding

(Obstetrics and Gynecology)

Conception

(Obstetrics and Gynecology)

Spontaneous Miscarriage

(Obstetrics and Gynecology)

High-Risk Pregnancy

(Obstetrics and Gynecology)

Am I Pregnant?

(Obstetrics and Gynecology)