Pregnancy Tests: When to Seek Further Medical Advice

Second pregnancy test?

Hello, doctor.
I haven't gotten my period yet, which was due around September 15.
I took a home pregnancy test, and it showed negative.
You mentioned not to be too reassured, but today is September 26, and my period still hasn't arrived.
I took another pregnancy test, and it also showed negative.
Can I feel more at ease now? Should I see a gynecologist for a blood test, or should I wait a bit longer? I took emergency contraception on the 26th of last month; could that affect my menstrual cycle? Do I need to take medication to induce my period? Thank you for taking the time to respond.

wori wuman, 20~29 year old female. Ask Date: 2002/09/26

Dr. Zhan Deqin reply Obstetrics and Gynecology

Emergency contraception can indeed affect your menstrual cycle.
Since you took it on the 26th of last month (today is the 27th), wait another week, and if your period hasn't started by then, take a pregnancy test again (preferably at a clinic).
If necessary, an ultrasound can be performed.
If you are not pregnant, you may consider getting a menstrual induction injection.

Reply Date: 2002/09/26

More Info

It sounds like you are experiencing some anxiety regarding your menstrual cycle and the possibility of pregnancy, especially after taking emergency contraceptive pills. Let's break down your concerns and provide some clarity on when to seek further medical advice.

Firstly, it’s important to understand that emergency contraceptive pills (ECPs) can indeed affect your menstrual cycle. These pills work primarily by delaying ovulation, and as a result, they can cause your next period to be delayed, lighter, or even missed altogether. If you took the ECP around the time of ovulation, it could have successfully prevented pregnancy, but it might also have disrupted your normal cycle.

You mentioned that you have taken two home pregnancy tests, both of which showed negative results. Home pregnancy tests are generally reliable when used correctly, especially if taken after a missed period. However, if you are still experiencing a delay in your menstrual cycle, it may be prudent to consult with a healthcare provider for a few reasons:
1. Blood Test for Pregnancy: A blood test can detect pregnancy earlier and more accurately than a home urine test. If you are still concerned about the possibility of being pregnant, a healthcare provider can perform this test to give you definitive answers.

2. Understanding Your Cycle: If your menstrual cycle is irregular or has been affected by the use of ECPs, it may take some time for your body to return to its normal rhythm. This is not uncommon, and many women experience changes in their cycle after taking emergency contraception.

3. Symptoms and Concerns: If you are experiencing any unusual symptoms, such as severe abdominal pain, heavy bleeding, or other concerning signs, it is essential to seek medical advice promptly. These could indicate other issues that may need attention.

4. Use of Menstrual Induction Medications: You asked about the need for menstrual induction medications. Generally, these are not recommended unless there is a specific medical reason to induce menstruation. It’s best to discuss this with your healthcare provider, who can assess your individual situation and determine the best course of action.

In summary, while negative home pregnancy tests are reassuring, if your period does not arrive soon, or if you have any concerns about your health, it is advisable to see a healthcare professional. They can provide you with a blood test, evaluate your menstrual cycle, and offer guidance on any necessary treatment or reassurance. Remember, it’s always better to err on the side of caution when it comes to your reproductive health.

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