What Is Implantation Bleeding?

on Oct 28, 2012

by Dr. Christine Lee, MD

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Implantation Bleeding

Implantation bleeding is very often confused with the onset of a period. It occurs 6-12 days after ovulation and signals the fertilized egg being implanted.

What exactly is implantation bleeding? What are the symptoms and what do they mean? Many of the women who experience implantation bleeding, most of the times mistake this sign with the premenstrual cycle or even with their period, even if the bleeding is much lower in quantity and it also differs in color. So, here are two things you should know about this particular symptom. Claim Your 20 Free Pregnancy Tests – Click Here

Why does it happen?

Implantation bleeding is caused by a trophoblast; this is a tissue that develops from the egg, surrounding it completely, in the end. This way it enables it to grow and, once it invades the blood vessels, it will cause these implantation bleeding. The entire process consists in the fact that a fertilized egg is attached to a women’s uterine lining after the fertilized egg has completed its process in the fallopian tube. This process could take up to 9 days (after the ovulation begins). Another important thing to know about this spotting is the fact that they happen about 6 to 12 days after the ovulation process.

Early pregnancy symptom

Implantation bleeding is the first of the many symptoms women come across when trying to conceive and when conception is successful. If you are not trying to conceive and you notice abnormal bleeding, you might take into consideration that you are pregnant, so a pregnancy test should be done.

Period or implantation bleeding?

Implantation bleeding is very often confused with the onset of a period. This bleeding is also known as implantation spotting and you should know that this doesn’t look like a normal menstrual cycle because it’s more pinkish or brownish than usual. Its difference consisting of lighter cramping and bloating and a shorter duration than a normal menstrual cycle. If this ever happens to you, then you should consider linking it to the egg implantation.

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What Is Implantation Bleeding?, 4.4 out of 5 based on 13 ratings

Dr. Christine Lee earned her Ph.D. in Developmental Biology and Master of Science in Biomolecular Organization. Dr. Lee is Lab Director for ConceiveEasy and is board certified as a High Complexity Laboratory Director (HCLD).

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  • HeartBrown

    I have a 15 yr.old and have not been pregnant since I also developed a serve bleeding problem after the birth of my 15 yr.old and receiving a depo shot. Can I steal conceive,is it to late has my body been through to much.

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  • ChitChat991

    Hi i was pregnant in oct but after 1.5 month it got miscarried i m getting scared for trying for second pregnancy . what should i do

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  • jojobedoy

    hello i have a question i had my period on oct 23 and it was normal 5days and thn in nov 9 i had a pink and brown spoting and then 2 day of light bleeding  what could this be   

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  • Maureen Stephens, RN

    It is possible that the light bleeding you experienced is an implantation bleeding, given that it was a pink and brown spotting and it lasted for 2 days. Implantation bleeding is a pregnancy symptom and it occurs 6-10 days after fertilization. It is best to take a home pregnancy test to make sure. The best time to take the test is first thing in the morning, with your first morning urine as it contains the highest concentration of hcg (the pregnancy hormone).

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  • Evelyn Ansah

    i started having brown and dark discharge from my virgina five days before my menses and i did pregnancy test botth lad and urine but they are negative ad am really worried becouse i was sure it was implantation bleeding. so what should i do? and when can take another test? 

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  • Maureen Stephens, RN

    You may try to take another test after your menses to make sure if you are pregnant or not. It is best to use your first morning urine as it contains the highest concentration of hCG (the pregnancy hormone). You may also have a blood test done as hCG can be detected in your bloodstream easily and earlier than in your urine.

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  • Dr. Renee Hanton, MD

    Since miscarriages won’t affect your ability to conceive, there is nothing for you to worry about when trying for another pregnancy. I do recommend you to adopt a healthy lifestyle, and take sufficient folic acid supplements to have a safe pregnancy.

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  • Dr. Prabha Sahgal, MD

    Yes; there is still a good chance for you to conceive, given that your previous cervical bleeding problems will not affect your body’s fertility. However; since you had a Depo Provera shot, its hormonal effects on your body can prevent your from getting pregnant from 4 months up to 2 years. It is best that you keep your hormonal levels regulated to improve your chances of getting pregnant soon enough.

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  • Lola

    Hello, last time i had my period was 5/6/13 till 5/14/13, then i had light spotting from 5/23/13 till 5/29/13. I was suppose to be expecting my period on 6/3/13 and noting yet. Could i be pregnant? I am super bloated, i have little headaches, constantly having to use the bathroom, and i feel irritated. Oh, btw i have a IUD (paraguard). @drprabha:disqus

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  • chantelle

    hello.
    im 16 years of age. im on the contraceptive pill (ava ed 20) i got my period a day late and my period came lighter than normal it was like i never had it then a couple of days after that my period came like it was normal :/ what does this mean?

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  • Kirsty

    I always have my period at the start of the month, my husband and I have been trying for a baby since I have been off my pill last may. I have never experienced spotting until Thursday last wek and have been spotting since its a light pinkish colour on the tissue. I have seen a nurse who said it could be early pregnancy however am just wanting a second opinion. I have also been going to the toilet a lot, have a pain in my lower back and was sick twice yesterday. The weird thing was when I was sick I went straight back to finish my toast and was sick till later in the day.

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  • Gemma

    I’m 16 and have had light bleeding for the past 4 days, after my ovulation date, what could this mean?

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  • Janblue

    I have been having slight spotting for 4 days what could be wrong?

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  • Dr. Christine Lee, MD

    Implantation bleeding and cramps are one of the earliest signs of pregnancy. If you are suspecting that you’re pregnant, you can take a test 2 weeks after you miss your period for accurate results. Take the test first thing in the morning as your first morning urine contains the highest concentration of hCG (the pregnancy hormone).

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  • Ayrah

    I’ve been on Apri birth control for about 4 years now and I’ve never been late. I always start on a Saturday. I didn’t get it Saturday and was concerned because I really haven’t had any PMS symptoms either except for a headache. I did take a pregnancy test the Sunday (still hadn’t had my period) and it came by negative. Monday came along and it seems to just be spotty, barely anything. I could seriously compare it to a skinned knee. This has NEVER happened to me before and I’m still worried. Is there any way the pregnant test could be wrong?

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  • shill19

    I had brown cm on cd 28 in the eve and it lasted until cd 30 in the early afternoon. I thought it was implantation, but a week later I had a blood test done that was neg. I am on cd 44 and still no period. Could that have been ovulation?

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  • Lesley

    Hi my husband and i are trying to conceive and i’m ovulating right now, just had sex and am having some bleeding. its the 1st time its happening but its not like spotting its a deep red and its a good bit…..was wondering what could cause this? 2 days ago i was having some dull discomfort in my womb area….not sure if that is helpful information.

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  • Dr. Christine Lee, MD

    At this point, it may be too early to tell if what you have experienced is an implantation bleeding as this occurs 6-10 days after fertilization. The earliest time you can take a pregnancy test is two weeks after your missed period. However the bleeding you have just experienced may be something else so it is best to consult your doctor if this continues.

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  • Jayjays

    I had sex all the way frow my ovulation days can I be pregnant my ovulation day wos on the 22 of November and I due to come on in 11days wen can I do a test

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  • Channy

    Hello Dr. I’m trying to conceive. I’m Ovulation on 14.15 December. now 19th December I have a small bleeding. So I still can pregnant or not?

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  • marisa

    Hi I had my period around Christmas time. I keep up with these things with an app on my phone a weekbalmost 2 after I finished I’m suppose to be ovulating and instead I started bleeding. Its heavy when I use the rest room but doesn’t feel like a normal period. It started off light and now is very dark. Should I be worried?

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  • Fate

    Hi.. Im having a brown discharge for 3 days now, im expecting my period next week, so im wondering if this could be an implantation bleeding. Can an implantation bleeding last more than 3 days? When can i take a pregnancy test?

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  • Linxod

    Hi, I expecting my period coming on May 6 because my last period was April 6 and by May 4 and 6 I had small amount bleeding, I thought it was implantation bleeding color most likely pinkish & brown. May 7 morning time 6:30 I bleed like a normal menstration. I am really now confused & depressed! Pls kindly advise me what should I expect & could I try pregnancy test for sure?

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  • tay00

    Hello Dr i am almost sure that i had implantation bleeding my last cycle was Aug. 10 Aug 30-Sep.2 i had light pink bledding/spotting no enough to wear a pad only occured when i wiped menstrual was due Sep.10 had a no show only experience cramping always ontime went Wed Sept.17 to the hospital b/c i spotted again only lasted 10mins the most blood test and urine came back negative. What could be going on? What should i do?

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  • dorothy

    Hi me and my husband are ttc and we had intercourse 2 days before ovulation and then on ovulation and the day after and my expected period is 5 days from now could I be pregnant???

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  • Faith

    Hi, iv been on the depo shot since December of 2014 and about 5 or 6 days ago I started getting brownish discharge I’m getting my next shot on the 17th. Is it normal ? Or could I be pregnant??

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  • lulu

    I had sex for almost 10 days then I still get my normal periods and when do pregnancy test its negative and i was expecting to be pregnant .what could be a problem with me?

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  • Duckalot

    I have been using the clear blue digital ovulation tests to clearly identify my fertile days and peak days. Day 14 I had small spotting but did not show any fertility signs on my ovulation kit. My fertile days began on day 18 of my cycle (counting from the first day of my period), I was showing high fertility for 5 days, day 5 I had a small spotting of blood; then on day 6 was peak day, about 8 hours after this test I had a sudden onset of bleeding that had some small cots in it and was bright red in colour. As quickly as it came its pretty much stopped and a small amount of brownish colour blood has come through. Is this an implantation bleed???

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  • LouLou89

    Last period was 16th of February, had sex on the 28th and the 1st of March. Then again on the 7th and 8th of March. No period on the 16th of March but on the 17th, brown was in my knickers and then on the pad, it was. Dark. Then it went to pink, the red, then brown/pink again. Lasted until today 21st. Wasn’t really heavy much different to normal periods. Done 4 tests all neg! What can this be?

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  • Amanda

    Ok. So I had my period start on Monday and then my last day was Thursday. I took a ovulation test Thursday night and I was at my peak. So my husband and I did the deed and now it is Saturday and I have a very light pink blood coming out and only when I wipe. What could this mean?

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  • Paris Mariee

    I’ve been off the depo in July 2014 at least a year I had a pregnancy scare in april2015 soy docter suggested I get back on the depo which I did for may2015 she said waited 7days to have sex which I didn’t.I didn’t get a period for may but as of June 1 I spotting lightly I thought maybe my period was late BT the next day it was brown discharge n went up,I had intercourse with my fiancee again then I spotted that morning at work long story short on&off spoiting for 5 days comes down goes up idk wat it could be..this never happen before on the depo I always had a normal 3day period heavy on day1 to 3.. Should I worry I’m pregnant or not? Or is it old blood I’m confused please help

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  • azzuquita01

    Hello. On the 7th day of my ovulation I started spotting and I being spotting since then for 10 days. I had 4 positive test and 2 negative. The first three were positive and I did it 2 in a day and then 1 really early in the morning. 5 and 5 were negative both in the afternoon and the last one was positive and I did it at the moment I wake up

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  • Marenda

    Okay I’m 18, I had sex for the first time but it was unprotected, we pulled out… But I’ve been worried since… I had bleeding Friday and it was really heavy with clots (just like my period) then it stopped after a day …. About two days later I took a pregnancy test and it came up negative ! What should I do I’m terrified and my stress is becoming unbearable

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  • Keri Conway

    I had some light spotting during ovulation day then had intercourse that night and woke up to more bleeding but not pinkish its red was wondering if that is normal or what is going on. Me and my hubby been ttc for 8 years i have 3 chdern from previous relationship. Should i be worried? I also have irregular peridos all the time.

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  • Lisa

    i have had sex with my boyfriend multiple times for about 4 or five days and hes cummed in me about 13 times. then two days ago i had bleeding for about two hours and a little cramping. so i thought period and put a tampon in. went to tale it out hours later. and there was no blood. my boobs have been hurting. ive had stomach aches and more of an apetite. whats the chances of me being pregnant?

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  • Sierra

    I just recently started taking birth control about two weeks ago, my doctor said that after a few days I should be okay to be sexually active without another form of contraceptive. When I started the birth control I had just got my period the day before. My period only lasted a few days which is pretty normal but I still had very little spotting and I assumed it was from the birth control. I had unprotected sex about 8 days into taking the birth control. The spotting has gotten a bit heavier so I don’t know if it’s because of implantation bleeding, fertility bleeding or maybe I should talk to my doctor about raising the dosage of hormones in my birth control. Thank you.

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