Emergency Contraception: Concerns About Pregnancy and Testing Options - Obstetrics and Gynecology

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Regarding emergency contraception?


I would like to consult a doctor.
My wife took Postinor but is still pregnant.
I am concerned about whether this will affect the fetus.
If I want to have a blood test to determine the sex of the baby, how much would it cost and where can I get it done? Thank you.

Danxin de laogong, 30~39 year old female. Ask Date: 2004/09/24

Dr. Wu Linting reply Obstetrics and Gynecology


Hello, Postinor contains a high dose of the progestin Levonorgestrel, which is used to prevent fertilization or interfere with implantation, achieving post-coital contraceptive effects.
When taken within 72 hours, it has a 96% success rate.
However, if it unfortunately fails and pregnancy occurs, epidemiological studies in Europe and the United States indicate that this medication does not affect the embryo.
Blood tests can determine the sex of the fetus.
Our clinic does not offer this test, and we are unsure of the cost.

Reply Date: 2004/09/24

More Info


Emergency contraception (EC) is a critical topic for many couples, especially when there are concerns about unintended pregnancies. In your case, it seems that your wife took an emergency contraceptive pill (ECP) but is still pregnant. This situation raises several important questions regarding the safety of the pregnancy and the implications of using ECPs.

Firstly, it's essential to understand how emergency contraception works. ECPs, such as Plan B (levonorgestrel) or Ella (ulipristal acetate), are designed to prevent ovulation or fertilization when taken shortly after unprotected intercourse. However, if ovulation has already occurred and fertilization has taken place, ECPs will not terminate an existing pregnancy. Therefore, if your wife is pregnant despite taking ECPs, it indicates that the contraceptive method was not effective in this instance.

Regarding the safety of the fetus, research indicates that ECPs do not pose a risk of birth defects or other complications if taken before pregnancy is confirmed. The medications are not classified as abortifacients; they do not disrupt an established pregnancy. Therefore, if your wife is indeed pregnant, the use of ECPs should not affect the developing fetus negatively.

As for confirming the pregnancy and determining the sex of the baby, there are a few testing options available. The most common method to confirm pregnancy is through a urine test, which can be done at home or in a doctor's office. Blood tests can also confirm pregnancy and are generally more sensitive than urine tests. If you want to know the sex of the baby, non-invasive prenatal testing (NIPT) can be performed as early as the 10th week of pregnancy. This test analyzes fetal DNA in the mother's blood and can provide information about the baby's sex, as well as screen for certain genetic conditions.

The cost of these tests can vary significantly depending on the healthcare provider and the specific tests performed. A blood test for pregnancy confirmation may cost anywhere from $20 to $100, while NIPT can range from $800 to $2,000, depending on the laboratory and the specific tests included. It's best to consult with your healthcare provider for precise pricing and to discuss the most appropriate tests for your situation.

In conclusion, if your wife is pregnant after taking emergency contraception, it is crucial to consult with a healthcare provider to ensure proper prenatal care. They can provide guidance on the next steps and address any concerns regarding the health of the pregnancy. Additionally, discussing testing options for confirming pregnancy and determining the baby's sex will help you plan for the future. Always prioritize open communication with your healthcare provider to ensure you receive the best care possible.

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