Should you take a pregnancy test after the morning-after pill?

Should you take a pregnancy test after the morning-after pill?

Take a pregnancy test about a month after you take emergency contraceptives, or if you miss your period. If your period is late and the pregnancy test is negative, wait a few more weeks and take another.

What triggers false positive pregnancy test?

This is known as a false-positive. A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG .

How long should I wait to take a pregnancy test after Plan B?

You can take these morning-after pills up to five days after unprotected sex, but they work much better if you take them during the first three days. Take a pregnancy test if you haven’t gotten your period within three weeks after taking the morning-after pill.

What happens if I’m pregnant and take the morning-after pill?

Emergency contraception (EC), also known as the morning-after pill, will not harm a fetus. Still, women should not use EC when they’re pregnant. EC does not end a pregnancy — it can reduce the risk of pregnancy if started within 120 hours (five days) of unprotected intercourse.

What medications can cause a false positive pregnancy test?

1. Some medications can cause a false positive pregnancy test.

• Some anti-anxiety medications.
• Antipsychotics.
• Some antiseizure drugs.
• Parkinson’s disease medications.
• Diuretics (“water pills”)
• Antihistamines.
• Methadone.
• Antinausea medications.

How common is a false-positive pregnancy test?

A false-positive test result only happens less than 1% of the time, but when it does, it can make the following days or weeks confusing before you realize you’re not actually pregnant.

Can you get a positive pregnancy test after taking Plan B?

Plan B is an emergency contraceptive, and should be taken within 72 hours of possible conception. It will not affect the results of your pregnancy test. Because pregnancy tests are not accurate 72 hours after conception, Plan B does not interfere.

Can Plan B give you a positive pregnancy test?

How often does morning after pill fail?

An estimated 0.6 to 2.6% of women who take the morning-after pill after unprotected sex will still get pregnant.

Can a fertility drug cause a false positive pregnancy test?

Fertility drugs that cause HCG are very likely to cause false positive pregnancy tests. So if you’re undergoing fertility treatment, ask your doctor if the drugs you are using are linked to false positive pregnancy tests.

Can a positive pregnancy test from Plan B be false?

Since Plan B doesn’t cause false positive pregnancy tests, I fully assume that your positive pregnancy test means that you are indeed pregnant. I assume, since you took Plan B, that you probably don’t want to stay pregnant.

Can a negative pregnancy test turn into a positive?

So if a pregnancy test is negative, it may become positive a few days later, as HCG levels get high enough to detect. This is why a false negative often turns into a very correct positive. So if you have a negative test followed by a positive test, a few days later, assume you’re pregnant and call the doctor.

Can a HCG injection cause a false positive?

However, the levels of this hormone may go up when you are receiving HCG injections, which can cause a false positive result.