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Implantation of a Fertilized Egg
Implantation of a Fertilized Egg
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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?
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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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Reader Comments & Discussion
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10 Comments | Add Comment
alma , united states c.a
02/08/2010 9:26 pm
I had sex with my partner two weeks ago without protection..i had sex twice that night and he came on me twice......a week after i started urinating alot..and on the 2nd of febraury i just had spotting but the thing is that i just spotted one..and one the 6 i started feeling like pain in my abdomen..sorta' like cramps..not so painfull though.. and morning sickness..but not that bad..only one time in the night..and i get sort of exhausted earlier..i went to the clinic today and they said it was too early..could i be pregnant?
mimi, california
02/03/2010 9:18 pm
I am 38 years old. I started my ovulation Jan 18-21, had sex with my fiance every day twice a day from jan 15-18. 3 days later had a light pink color discharge. The next week started having headaches, fatigue, nausea. Now I was supposed to start my period Feb 3, I started having a light pink discharge when I wiped, and then 3 hours later a light brown discharge no flow just on the tissue. Could this be implantation?
saf, uk
02/01/2010 6:40 am
My last period was on 15.01. Me and my partner made had sex on 27th and 29th so its been 6 days I've had cramps for afew days and more then normal discharge could this be possible signs of Implantation or is it too early to tell. Can you get pregnant if you have sex a week before your due date? good luck to all
Keishae, Houston
01/30/2010 9:13 pm
Lisa,
Yes you could very well be pregnant. The same thing happened to me 3 years ago and I have a 2 year old.
lisa, Greer, South Carolina
01/30/2010 1:14 pm
I had sex two weeks ago the day my period was scheulded to come on. it came on but 2 days later it went off. could i be pregnant?
Brooklin, Florida
01/12/2010 3:09 pm
I conceived a few days before I thought I was supposed to start my period. For the last few days, I thought I felt signs of being pregnant like being tired, headaches, aching teeth...I thought I just knew.
So yesterday, I started bleeding. I dont know if its my actaul period or Implantation.
Are these signs just signs of pms? or am I pregnant?
Brena, Tyler,Tx
12/13/2009 11:40 am
Yes I'm concerned!!!! I'm tryna to get pregnant since Aug now and just a few weeks ago I've been feeling tired, and I've start noticing some bleeding. I have frequent headaches often I'm pose to Start my period tomorrow. What's goin on what should I do???? :( help
K, Dublin
11/27/2009 1:26 pm
I had some spotting and a headache for about a week, I have awful cramps, like period cramps...along with lower back pain, is that normal? I have 7 days until my period is due, so I cant do a pregnancy test yet, however, I feel rather tired and awful, my last pregnancy was different I didnt realise I was pregnant until I did a test!
Meg, Kansas, USA
11/18/2009 4:31 pm
In what week would you see implantation bleeding? It's been 3 weeks since my partner and I made love, should I have seen implantation by now?
Barb Freed, Florida
11/12/2009 9:40 pm
I have a question regarding what percentage of eggs that are fertilized are never make it to implantation. We heard that it is 50%, and that seems quite high. Where might I find this information?
Thank you!
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