How many days before period is implantation bleeding

When a fertilized egg attaches to the wall of the uterus, where it can begin growing, some light spotting may occur. This is called implantation bleeding, and it can be one of the earliest clues that you are pregnant. Some women don’t experience this type of bleeding, and some simply don’t notice it. If it happens, it doesn’t indicate a problem with your pregnancy. If you’re wondering if you might be pregnant, take our Am I Pregnant? quiz for a little fun and grab a home pregnancy test.

Is It Implantation Bleeding or My Period?

It’s possible to mistake implantation bleeding for a very light and early period at first. However, there are some differences to pay attention to. Although every woman’s period is different, it’s still possible to guess that it's implantation bleeding by the color and amount of bleeding, and by where you are in your menstrual cycle, as well as by looking out for other early signs of pregnancy — more frequent bathroom trips, fatigue, and nausea (i.e., morning sickness).

These are the main signs and symptoms of implantation bleeding compared to a period:

• The amount of blood. Implantation bleeding isn’t heavy; it’s more like a discharge or light spotting that’s about a few drops of blood on your underwear.

• The color of the spotting. The blood from implantation is more of a pinkish or brown color, rather than a bright red some women normally see during a period.

When Does Implantation Bleeding Happen?

You may notice implantation bleeding around 10 to 14 days after conception, when a fertilized egg becomes attached to the lining of your uterus. Keep in mind that conception may not occur on the same day you had sex. Sperm can live as long as five days inside a woman’s reproductive tract, and conception might not occur for several days after sex.

Should I Take a Pregnancy Test During Implantation Bleeding?

You can take a home pregnancy test during implantation bleeding. Keep in mind that the pregnancy hormone human chorionic gonadotropin (or hCG) that pregnancy tests detect only starts being produced in your body the moment the fertilized egg is implanted in the uterus — which is the trigger for implantation bleeding. The earlier you take the test, the less hCG there is to detect, meaning that the test may not yet be accurate. If you have the patience to wait, you’ll get a more accurate test result if you wait until after the first day of your missed period.

If you get a positive test result, schedule an appointment with your healthcare provider to confirm your pregnancy. And you can get an estimate of when to expect your baby by using our handy tool to calculate your due date.

Should I See a Doctor?

Implantation bleeding is generally nothing to be concerned about, but it’s a good idea to talk to your healthcare provider about any bleeding you experience during pregnancy. Although light bleeding in early pregnancy can be totally normal, there are some reasons for bleeding in early pregnancy that need to be addressed immediately. These can include infection, miscarriage, or ectopic pregnancy.

Many people focus on missing their period as one of the first signs of early pregnancy. You might be surprised to learn that a small amount of blood and some cramping – known as implantation bleeding – can be a sign of pregnancy as the fertilized egg attaches to the uterine lining and your 9-month journey begins.

Here are 5 things you need to know about implantation bleeding and how to tell if the bleeding may be a sign of pregnancy or of your oncoming period.

1. What is Implantation Cramping & Bleeding?

Implantation cramping and bleeding are not the same as menstrual cramps and bleeding. But since implantation spotting often occurs around the same time as you expect your period, it can be confusing which type of cramping and bleeding you’re experiencing.

Every month, the lining of the uterus builds up with blood to prepare for a potential fertilized egg. If no egg implants, the lining is shed as your period. When an egg implants, it physically embeds into that uterine lining, and some spotting and cramping can be normal as a result.

This smaller amount of blood and lighter cramping can be one of the first signs that you are pregnant. It can be hard to tell for certain whether its implantation bleeding or the start of your period (especially if your periods are light) so taking a pregnancy test will help you know for sure.

2. When Does Implantation Bleeding Occur?

Implantation bleeding – if it happens – usually occurs 9-12 days after conception when the fertilized egg implants, or attaches to the lining of the uterus. It can take as few as 6 days for the egg to make its journey from the Fallopian tubes or as many as 14, with the average around 9 days.

If you’re trying to determine when implantation occurred, knowing when you ovulated and the date your last period began will give you the best idea. Ovulation is typically 12-14 days after the first day of your last cycle, and implantation is 6-12 days after ovulation, if the egg is fertilized.

Don’t worry if you don’t experience any implantation bleeding at all. In fact, most people who become pregnant (about 70-75%) don’t report any implantation spotting. But that means 25-30% of women do have some implantation bleeding. We’ve been conditioned to worry that any bleeding at all when you’re hoping to be pregnant may be a sign of a miscarriage, but it isn’t that simple.

3. What Does Implantation Bleeding Look Like

Even though you may be used to bleeding every month, implantation bleeding, aka implantation spotting, typically looks different than your usual period bleeding.

During implantation, a small amount of the uterine lining can be displaced or disturbed, resulting in the light bleeding. During menstruation, the uterus contracts to expel the entire uterine lining, resulting in heavier bleeding that lasts until all of the lining is released.

Implantation Bleeding vs Period Bleeding

Implantation bleeding and cramping can easily be mistaken for the onset of your monthly cycle, but what’s happening in your body is completely different. There are differences between implantation bleeding and period bleeding in terms of flow amount, duration of bleeding, pain and the color of the blood.

Here’s a quick comparison so you can know how to recognize implantation bleeding or spotting:

Implantation Bleeding

• Color: Pink or brown
• Flow: Light or spotting, generally not enough to soak a tampon or pad
• Duration: 1-2 days or less
• Cramping: mild or moderate tightening, pricking or pulling feeling in the lower abdomen as the egg implants
• Consistency: often thinner or more watery

Period Bleeding

• Color: Bright red
• Flow: Heavier, menstrual products and protection needed
• Duration: Usually 5-8 days
• Cramping: more intense pain and tightness in the lower abdomen and back as the uterus contracts to expel menstrual blood.
• Consistency: thicker and can include clots or clumps

4. How Long Does Implantation Bleeding Last?

Many people do not experience implantation bleeding, but those that do may have spotting for a few hours or 1-2 days. Bleeding that isn’t your period but lasts longer than a day or two or is heavier than spotting is a good reason to see your doctor.

5. What Are Some Symptoms of Implantation & Early Pregnancy?

Every person is different, but many describe the feeling of implantation as a mild tingling, tightening or pulling in the uterus. Mild discomfort and a pink or brownish watery discharge are typical symptoms – if you experience implantation bleeding at all.

Since the symptoms of implantation cramping and bleeding can be so similar to those of a light period, you may want to take a pregnancy test to help know if you are pregnant and be on the lookout for other early signs of pregnancy:

• fatigue
• tender, swollen, heavier or fuller breasts
• nausea or vomiting
• food aversions or cravings
• heightened sense of smell
• mood swings or feeling tearful or easily upset
• headaches
• constipation
• dizziness or feeling faint
• elevated body temperature
• missed period

You should always consult with your doctor or medical provider if you experience any symptoms or issues concerning your health.

First Response™ Pregnancy Tests to Help You Know

When you may be pregnant, the earlier – and the faster – you can know, the better. The First Response™ Early Result Pregnancy Test can help confirm a pregnancy as soon as 6 days sooner than your missed period. In laboratory testing, Early Result Pregnancy Test detected pregnancy hormone levels in 76% of pregnant women 5 days before their expected period. See package for details about testing early.

While, the First Response™ Rapid Result Pregnancy Test lets you know if you’re pregnant in 60 seconds on the day of your missed period. Enhanced technology isolates and detects the pregnancy hormone in your urine to give you fast results.

To get double the confirmation and same accuracy of results, use the First Response™ EasyRead app, compatible with the First Response™ Early Result and Rapid Result tests to translate your results into the words “Pregnant” or “Not Pregnant.”

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