What are typical signs and symptoms of implantation?

Typical signs and symptoms of implantation include the following, and they may be overlapping with typical pregnancy signs:

  • Light implantation cramps
  • Implantation spotting (drops of vaginal bleeding)
  • Mood swings
  • Headaches
  • Nausea
  • Breast swelling
  • Breast tenderness
  • Lower backaches

What is implantation?

Implantation is the attachment of the fertilized egg, the embryo, to the uterine lining. This happens when the fertilized egg or embryo (now called a blastocyst) has completed its travel through the fallopian tube and adheres to the lining of the uterus. Implantation happens on average 9 days after ovulation and fertilization with a range of between 6 and12 days.

When do typical implantation signs and symptoms appear?

Initial implantation signs and symptoms appear as early as 12-48 hours after implantation. They never happen before implantation. Our implantation calculator will help you calculate when implantation happens.

What are the typical implantation signs and symptoms?

Most women do not have specific symptoms of implantation. The symptoms may include implantation bleeding/spotting or implantation cramping.

Implantation bleeding is just one of several typical pregnancy symptoms and happens around the time of implantation. Implantation bleeding is often also called implantation spotting. Implantation bleeding or spotting does not usually look like a regular menstrual period but is scanty and usually a pinkish or brownish discharge. and it usually happens around 6-12 days after ovulation and fertilization, within 1-2 days after the arrival of the blastocyst in the uterus, usually around 9 days after ovulation (DPO), with a range of 6-12 days.

At the time of implantation bleeding, the blastocyst is barely visible to the naked eye, probably smaller than the dot above the letter "i." Once implantation happens the blastocyst becomes the embryo.

The blood pregnancy test usually becomes positive within 3-4 days after implantation, and the urine pregnancy test usually becomes positive 4-5 days after implantation.

Read More:
Why does implantation bleeding happen?
How long does implantation bleeding last? 
Is it implantation bleeding or menstrual period bleeding? 
Why do I feel my period is about to come? 
What are early pregnancy symptoms?
Online pregnancy test 
Implantation/spotting quiz 

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