Implantation bleeding

Implantation bleeding or menstruation: how to differentiate them?

Because it appears when the rule is expected to arrive, many women may confuse menstruation with implantation bleeding. A slight loss of blood caused by the nesting of the fertilized egg on the walls of the uterus.

Not all women experience implantation bleeding and in the absence of menstruation. They suspect the possibility of being pregnant, however when bleeding occurs. It can lead to confusion. We explain the differences between menstruation and implantation bleeding so you can identify them.

When they have sex without protection in the occurs on a woman’s fertile days, there is a possibility that pregnancy will occur. The egg released by the woman is fertilized by the man’s sperm, giving rise to a zygote that descends through the fallopian tubes to the uterus where it finally implants to begin to develop the new being.

The lack of menstruation is one of the most obvious symptoms of pregnancy. But in about one third of women may occur a slight bleeding or spotting on the days when you wait for the arrival of the rule. Or perhaps a little earlier.

When is the implantation?

When is the implantation?

 

It is impossible to know the exact moment in which implantation of the fertilized ovum takes place in the uterus, a milestone that begins pregnancy. Since it can be different in each woman, according to whether or not she has regular cycles.

But we can approach if we take into account that ovulation occurs in the middle of the menstrual cycle. And that fertilization can occur on the same day of ovulation and up to two or three days later.

Between six and ten days after the ovule is fertilized, around week 4 of pregnancy, embryonic implantation occurs at the moment in which the blastocyst is implanted in the endometrium.

The blastocyst, a complex cellular structure composed of approximately 200 cells. Begins to produce extensions that allow it to implant in the endometrium. In some women, this process results in what is known as implantation bleeding, which one or two days later, will descend into the vagina.

This means that approximately between ten and fourteen days after you have had sexual intercourse. Implantation bleeding occurs, which would coincide with a woman who has regular cycles, with the arrival of the period.

How to identify implantation bleeding?

Unlike bleeding from menstruation that is usually bright red, the implantation bleeding is usually dark red or brown, or just pink.

  • It is a mild bleeding that can last a few hours, or one to two days. While menstruation lasts last three to seven days.
  • The rule may start slightly but then the flow increases, which does not happen in the implantation bleeding, which occurs once and does not go over.
  • When there is pregnancy, implantation bleeding can usually be accompanied by mild cramping in the lower abdomen. Days later, you will begin to experience the first symptoms of pregnancy that will be confirmed with the pregnancy test.

Confirmation of pregnancy

To get rid of doubts, the most effective and fastest thing is to get a pregnancy test. However it may be soon for it. For the result to be reliable, it is important to know when to take the test.

  • It should be done at least a day late to ensure that the pregnancy hormone is detected. Although certain tests claim to detect it from the first week after conception.
  • If you suspect that you may be pregnant and you notice heavy bleeding, severe abdominal pain and cramping. You should go to the doctor, as it could be related to a problem.

Ovulation: the ovum matures and leaves the ovary

The first stone of pregnancy is the ovary, which has to generate mature ovules apt to be fertilized. The ovulation process of women is a sine qua non condition for the gestation process to begin.

  • Each month a mature ovule, from among the follicles that mature within the ovary. And goes out to meet the sperm.
  • Exceptionally, some months some women manage to release two mature eggs. Even more, which could end in a multiple pregnancy.

In nitro fertilization, the patient undergoes ovarian stimulation techniques. Fertilization takes place outside the maternal womb and then the embryo is carefully deposited in the uterine cavity so that it is implanted naturally. Little can science do to ensure the implantation of the new being?

Fertilization: the ovum fuses with the sperm

The released egg lives only about 24 hours inside the mother’s womb. And the sperm is able to stay active for two to five days inside the Fallopian tubes, in search of the ovum.

  • For both gametes, the only way to survive is to meet, fuse and form an embryo.
  • And for fertilization to occur, at least 100 live sperm must reach at the edge of the ovule. Of the more than 200 million of them start their race towards the ovule every time the man ejaculates.
  • In addition, there are a series of chain reactions that favor that a single sperm finally penetrate the membrane of the ovule.

The embryo travels to the uterus through the fallopian tube

In this journey along the Fallopian tube, the embryo takes between 2 and 5 days, vital for human life. But several things can happen on the way to the endometrial:

  • That the fertilized acolyte leaves the tube and falls into a suitable area of ​​the uterine wall in search of a place to nest and develop. A normal pregnancy then occurs.
  • Let it stay inside the trunk, let’s say “stuck”. Then it produces an ectopic pregnancy, which must be removed for the mother not to die when the tube in which it is lodged explodes. Ectopic pregnancy is the most normal of pregnancies that are not implanted correctly, but there is another type of pregnancy with poor implantation.
  • That the acolyte nests in other strange locations, say impossible for gestation, of the maternal anatomy, which we describe.
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