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Birla Fertility & IVF

Everything You Need to Know About Implantation Bleeding

  • Published on January 11, 2023
Everything You Need to Know About Implantation Bleeding

If you’re trying to conceive a baby, you’re probably attuned to every change in your body, wondering if they’re early signs of pregnancy. While waiting for pregnancy confirmation, you might feel a mix of excitement and anxiety. However, noticing blood spots shouldn’t immediately cause panic or lead you to assume you’re not pregnant. There are various reasons for light spotting, and most of the time implantation bleeding is often mistaken for menstrual bleeding. In this article, let’s explore what implantation bleeding is, the early signs of pregnancy, and how you can differentiate between period bleeding and implantation bleeding

What is Implantation Bleeding?

Implantation bleeding is light spotting that occurs when a fertilized egg attaches to the lining of the uterus. It is a relatively common experience for women that typically occurs after 6-12 days of conception and is often mistaken as a light period.

It usually lasts only 1-2 days and is much lighter than a regular menstrual period. Implantation bleeding can be an early sign of pregnancy, but it does not always mean that a woman is pregnant. While some may experience implantation, others may not notice any signs.

At times, there are other possible causes of spotting or light bleeding, such as hormonal imbalances, changes in birth control, or an infection.

Signs and Symptoms of Implantation Bleeding 

Some common signs and symptoms of implantation bleeding are:

  • Light bleeding
  • Breast tenderness
  • Headache
  • Absence of blood clots
  • Mild cramping

Difference Between Implantation Bleeding and Period Bleeding

There are a few key differences between implantation bleeding and period bleeding. However, these may vary from one woman to another based on various factors like age, weight, and other conditions.  To get an understanding of flow, colour, duration, etc. refer to the given table:

Factor Implantation Bleeding  Period Bleeding
Flow Light spotting or scanty flow Moderate to heavy flow
Colour Light pink or brown Bright red, darker towards the end of the period
Duration Typically lasts a few hours to 2 days Lasts several days (3-7 days on average)
Timing Around 6-12 days after ovulation Regular menstrual cycle timing
Cramps  Mild or none Can be mild to severe cramping
Consistency Usually lighter and inconsistent Consistent flow over several days
Other Symptoms Possible accompanying symptoms include fatigue Common symptoms like bloating, breast tenderness

It is important to note that every woman’s experience with implantation bleeding will be different, and there is no “normal” amount of colour as such.

Further, some women may not experience any bleeding at all, and this does not mean that they are not pregnant.

When does Implantation Bleeding occur?

Implantation bleeding typically occurs within a few days of ovulation when the fertilised egg attaches to the uterine lining. The process is called implantation, and it happens about 10-14 days after ovulation.

The bleeding that comes with it is usually light and lasts only a few hours to a couple of days. It may be accompanied by light spotting, but there is no heavy flow like in the menstrual period.

How long does Implantation Bleeding last?

Typically, implantation bleeding is light, lasting 1-2 days without needing treatment. While some women have spotting for up to a week, others experience only a few hours of light bleeding. If bleeding persists or worsens after a few days, consult your doctor to rule out complications like miscarriage or ectopic pregnancy.

Is Implantation Bleeding a sign of pregnancy?

Implantation bleeding can be an early indication that you are pregnant. However, it’s important to note that this kind of bleeding can occur even if you’re not pregnant.

Other causes of spotting or light bleeding may include hormonal changes, ovulation, cervical irritation, or an infection.

What are the other signs of pregnancy?

Apart from implantation bleeding, there are other signs and symptoms of pregnancy that you should look out for. These can include:

  • Feeling fatigued and nauseous
  • Increased urination
  • Changes in your breasts, such as swelling, tenderness and tingling
  • Food cravings or aversions
  • Mood swings
  • Heightened sense of smell

Other signs may include light spotting or cramping, constipation, backache, and headaches.

If you are doubtful about conception, it’s important to take a pregnancy test to confirm. If the test is positive, make an appointment with your doctor to discuss any doubts. .

When should I consult a Doctor?

It is important to seek medical attention if you are not sure about implantation bleeding and experience any of the following:

  • Heavy bleeding that lasts longer than two days
  • Bleeding that is accompanied by fever or chills
  • Severe cramping or pain
  • Bleeding accompanied by unusual vaginal discharge or a foul-smelling odour
  • Bleeding after sexual intercourse

If you notice these symptoms, your doctor can conduct a physical exam to identify the cause of the bleeding and may suggest further tests to confirm or rule out pregnancy.


Implantation bleeding is common among 10-20% of pregnancies and is usually considered a normal part of pregnancy. If you experience any odd signs and symptoms like painful cramps, heavy bleeding, and long duration then getting medical advice from an expert is important. If you are trying to conceive and facing any issues, consult our fertility specialist for personalised guidance and treatment plans.


  • How do I know if it’s implantation bleeding?

It can be difficult to tell the difference between implantation bleeding and other types of vaginal bleeding.

Generally, such kind of bleeding is lighter than a menstrual period and does not last as long. It may also be accompanied by other early pregnancy symptoms like nausea, fatigue, breast tenderness, and increased urination.

  • What are the signs of successful implantation?

Signs that implantation has been successful include light spotting or cramping at the time of expected menstruation. Some women may also experience heightened sensitivity in their breasts, an increase in cervical mucus, or a feeling of bloating during this time.

  • What does implantation feel like? 

In most cases, implantation does not cause noticeable physical feelings; however, some people report feeling mild cramps similar to those experienced during ovulation.

In addition, some women experience light spotting at the time of implantation when the fertilised egg implants into the uterine wall.

Written by:
Dr. Sonali Mandal Bandyopadhyay

Dr. Sonali Mandal Bandyopadhyay

With over 8 years of clinical experience, Dr. Sonali Mandal Bandyopadhyay is an expert in Gynecology and Reproductive medicine. She specializes in educating patients on disease prevention, reproductive health, and infertility management. Also, she is skilled in supervising and treating high-risk obstetrics cases. During her career, she has participated in multiple workshops like International Updated on Women Wellbeing, Fetal Medicine & Imaging Committee, Endoscopic Surgery & Reproductive Medicine, etc.
Howrah, West Bengal

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