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Implantation of a Fertilized Egg

Implantation of a Fertilized Egg

by Teresa Shaw
(2 Comments)

When trying to conceive, it’s sometimes hard not to scrutinize every sign and symptom you feel for possible signs of pregnancy. One of the most tell tale signs of pregnancy for many women is implantation, or when the fertilized egg implants into the lining of the uterus. But when exactly does implantation occur, and what are the signs of implantation?

What is Implantation?

Implantation is the act of the fertilized egg attaching to the uterine wall. Once fertilization occurs, the fertilized egg remains in the fallopian tube for 3 days. It then enters the uterus where it gets very close to the endometrium (lining of the uterus) and begins to invade this endometrium to implant.

When Does Implantation Occur?

Implantation typically occurs 6 to 10 days after ovulation, or day 20 to 24 of a menstrual cycle. However, it can happen a few days earlier or later. In an average, 28-day cycle, ovulation occurs on day 14 (the first day of a period is considered day 1 in a cycle). Once fertilization occurs, the egg stays in the fallopian tube for 3 days before entering the uterus and begins to implant to the uterine lining.

What are the Signs of Implantation?

Implantation is usually a quite gentle process, with very few symptoms that can be felt or noticed. Most symptoms are usually detected or diagnosed as implantation once a pregnancy has been confirmed; that is, once you realize you’re pregnant, certain symptoms you might have noticed a few days prior will match up to those common to implantation.

That said, following are some typical signs of implantation.

• A very small amount of spotting or implantation bleeding may occur for a short period of time, around 7 to 10 days after ovulation has taken place.
• If you are tracking your basal body temperature daily, you may notice a second thermal shift (rise in temperature) that occurs about 7 to 10 days past the date that ovulation has been confirmed.
• You may also notice an implantation temperature dip that lasts for a single day, usually around 7 to 10 days past ovulation.
  While these signs can be a promising indicator that fertilization and implantation have taken place, they are not confirmation.

Just because you may have felt some of these symptoms, you may not necessarily be pregnant. Only a positive pregnancy test or a blood test performed by your doctor can confirm that pregnancy has occurred.

On the other hand, don’t despair if you haven’t felt or noticed any of these signs of implantation. Very few women actually notice implantation, and not feeling implantation does not mean that you are not pregnant. If you think you might be pregnant, be sure to make an appointment with your doctor to confirm a pregnancy.

Teresa Shaw is a professional editor and freelance writer with a degree in English and journalism. She writes about motherhood, travel, and cooking, among other topics, for a variety of print and online markets. She enjoys spending time with her husband, daughter, two cats, and dog. Visit her online at http://teresawrites.wordpress.com


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