When Does Implantation Occur? Everything In Details

The female reproductive system is intended to carry out specific functions such as producing female eggs necessary for reproduction, transporting the ova for fertilization and implantation.

When does implantation occur is a fundamental question that each woman attempting to get pregnant asks herself. It is important to know that the most fertile days for conception is at the middle of the menstrual cycle, which is during ovulation.

You just have twenty-four hours to conceive but some preparations for conception starts earlier, approximately five to seven days before ovulation. The sperm which have gotten inside the uterus or fallopian tube can wait for ovulation from several hours up to seven days which means you can get pregnant even on the seventh day after unprotected sex.

Implantation is a process whereby a fertilized egg attaches itself to the wall of the uterus. This process occurs at the early stage of pregnancy, once the egg has been fertilized by the sperm, it travels through the fallopian tube and gets to the uterus. Implantation may take place after a couple of hours or days.

Stages of implantation

The process of embedding the egg into the uterine lining is known as Endometrium.

  • The embryo attaches itself to the uterine wall in the initial stage. This is called Adplantation, the embryo is five to six days old.
  • The fertilized egg penetrates the uterine wall so that it is secured.
  • The embryo finally embeds deeply into the uterus.

There are signs and symptoms which can help a woman to know when implantation has occurred in her uterus. You need to study your body carefully in order to become aware of these signs.


Knowing all the signs and symptoms of implantation will let you know when you have conceived but you may not experience them, which is highly unusual. If you experience more than one of these signs, then there is a high probability that you may be pregnant.

  • Light spotting and bleeding: when the process of implantation starts on your endometrial or uterus lining, you may get to experience light spotting or bleeding. This bleeding is usually know as implantation bleeding and occurs more or less than seven to ten days after ovulation which might be around the same time you are expecting your period.

Vagina spots are easily noticeable with implantation bleeding and may be brown or pink in color, they do not look like the regular blood flow. Not all women experience light spotting and bleeding during implantation as the timing differs as well as menstrual cycle.

If you experience implantation bleeding, it will be much lighter than your usual period and will last for a very short period of time. If you get to experience heavy flow of blood or bleeding like you normally would during your period, then it isn’t implantation. Implantation bleeding can last for a couple of hours as well as days.

If your bleeding is exceedingly dark, heavy or painful, you must be getting your period but if these signs doesn’t correspond to your usual menstrual cycle, you should visit your doctor to make sure you’ve not had a miscarriage or worse.

  • Mild cramping: cramping during implantation is something similar to what you experience at some point during your menstrual period. These cramps can be associated with light spotting and bleeding explained above or otherwise. The cramps would be serene because your uterus has to stretch to accommodate the fetus. Cramps won’t cause any significant issue and it is often felt at the lower part of the back.

Implantation craps would occur a week or more before you start your next period and may last for 24 to 28 hours. The best way to tell the difference between implantation cramps and your period is to chart your period, this will assist you to know if your cramps are happening too soon or too late to be your actual period.

  • Missed period: this is a standout amongst the most evident indications of implantation. Your uterus lining sheds every month when you do not get pregnant. This is the reason you experience menstrual bleeding. Once implantation occurs, you stop getting month to month cycles. On the off chance that you have missed a menstrual period, it is ideal to take a home pregnancy test to confirm if you are pregnant or not.
  • Frequent urination: during pregnancy, some hormones are continually released into the body from the corpus luteum which is situated in each of the ovaries. The initial hormone released is progesterone which is a steroid hormone that is essential in establishing and sustaining pregnancy. Human chorionic gonadotropin or hcg is another hormone which is released, it is secreted by the blastocyst. The hcg hormone causes an augment in blood supply to the pelvic region which can at times irritate the bladder. Resulting in the need to urinate more often, especially in small amounts.
  • Basal body temperature: basal body temperature is the lowest temperature a body attains during a normal a 24 hour period. It normally occurs during a prolonged period of rest, especially during sleep. The best moment to take your basal temperature is in the morning, preferably immediately you wake up with a basal thermometer. A shift in the basal body temperature indicates ovulation has taken place but implantation comes into play when the rise in basal temperature does not fall during, after ovulation and before the next menstrual period because there has been an increase in the level of progesterone.
  • Breast changes: enlargement and breast tenderness is one of the majority complaints made by women who experience symptoms of implantation. The level of female hormones changes rapidly after conception, due to these changes the breasts become swollen, sore or tingly. If you experience breast tenderness seven days after the likely period of ovulation, there is a high tendency that implantation is occurring. Breast tenderness would last a day or two.
  • Fatigue: when a fertilized egg implants itself on your uterus lining, you begin to experience some hormonal fluctuations in your body. These fluctuations are necessary to bolster the embryo so it develops and advances. If you do not take care of this expanded demand for food, you may feel drained and torpid.
  • Hot flashes: hot flashes are particularly not a good indicator since they often come in place before or during a menstrual period. However, rapid fluctuations occur in hormone levels during implantation making you to experience hot flashes while the embryo is implanting itself to the uterine wall. Hot flashes can last for fifty minutes.


Nothing can be done to prevent implantation bleeding. It’s not that bad. It is just a sign that fertilization has occurred and the pregnancy is developing as it ought to.

You need to sit tight and not become too anxious, you can wear a sanitary pad or a pant liner, it all depends on the blood flow.


Truth be told, studies have shown more that each year more women use either in-vitro fertilization or intrauterine insemination method to get pregnant and have kids.

As prominent as these conception strategies are today, many ladies still ponder on when exactly implantation will occur after going through these procedures. These methods are intended to imitate as far as possible the normal conception process in women who do not have problems with fertility or conceiving.

Subsequent to a woman undertaking and completing the IVF or IUI method, she can look forward to the fertilized egg implanting itself in her uterus in about five days, if the procedure was definitely successful.

These five days reflects the time it takes a fertilized egg after conception to travel down the fallopian tube and implants itself in her uterus. Implantation solely depends on a woman’s general wellbeing and the state of her uterus. Women who have staid gynecological issues such as anemia or endometriosis may find it complicated to get pregnant even with IVF or IUI.

In the event that the implantation is successful, a woman who went through one of these procedures can take a pregnancy test and get a positive outcome in two to three weeks time. This time frame mirrors that of any other pregnancy, a woman who got pregnant naturally will likewise have to wait for about two to three weeks after conception to get a pregnancy test along with a positive result.

 It is essential for an IVF or IUI patient to stay away from stress, hard work and taking sustenance and refreshments that could instigate a miscarriage.

Implantation marks the official beginning of pregnancy. If implantation does not occur, the embryo will die and your period will start as usual. This happens more than you can ever imagine as you do not know when fertilization takes place.

When you get to see your period, you assume you have failed at conceiving but this is really not your fault as it is a natural occurrence, the egg just wasn’t feasible enough to survive.

leanda bailey

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