What is Implantation Bleeding?

By  ,  Onlymyhealth editorial team
Dec 21, 2011

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Implantation is the process byWhat is implantation bleeding which the fertilised egg attaches itself to the uterine wall. Implantation occurs 9 days after ovulation after which the foetus beings to grow in the womb. Implantation bleeding will happen almost a week before the scheduled date of your menstrual cycle. Implantation bleeding could occur in the form of spotting and not necessarily blood flow from the vagina. If bleeding is not noticed as your menstrual date approaches, chances of implantation bleeding are reduced.

The blood discharged from the vagina in the form of implantation bleeding will be brown in colour as it is not fresh blood. Blood from implantation bleeding takes time to move out of the body and thereby, has a dark coloured appearance to it. If the blood discharged is reddish in colour, then it is probably pre menstrual spotting and not implantation discharge at all.


How does Implantation Bleeding Occur?

When the ovary releases the egg it travels to the uterus through the fallopian tube. During the journey of the egg if a sperm fertilises it, it will attempt to implant itself to the uterine wall. If this happens, implantation has been successful. If the implantation has failed, your uterine wall will break along with the egg and blood vessels in the form of menses.

The wall of the uterus is rich in blood and nutrients and when the egg which has been fertilised by the sperm attaches itself to the uterus, it is termed as endometrial lining. Implantation occurs 12 days after the egg has been fertilised.

Implantation bleeding occurs owing to the blood rich endometrial lining which may force a few drops of blood to flow through the cervix to the vagina. This blood is referred to as implantation bleeding.


>> Decidual Bleeding, Vaginal Bleeding, Dysfunctional Uterine Bleeding <<

Symptoms of implantation bleeding

  • You may experience some cramps inside the uterus.
  • Short brief spotting is characteristic of implantation bleeding.
  • There might be a body temperature shift.
  • You may also experience a dip in the body temperature 7 to 10 days after ovulation


Is there anything to worry?

Implantation bleeding is faced by 20% to 30% of women a few weeks before pregnancy and is completely normal. If you experience cramps and blood spots it is a sign of pregnancy, don’t worry. Remember that the blood pregnancy test comes positive within four to five days of implantation.

Implantation bleeding is a typical symptom of pregnancy which occurs one to two days after the attachment of the blastocyst to the uterus and will occur within a week of implantation.



Read related articles on Pregnancy Symptoms


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