Will the test show 5 days before menstruation

There is a very common misconception that a woman can not “fly into” on certain days of the menstrual cycle. If everything were so simple, the use of COCs, condoms, or the uterine helix as protection against unwanted pregnancy would be useless. It would be enough just to calculate the safe days.

But the body is much more complex, and the conception of a reproductive age in a healthy woman can literally occur at any time during the menstrual cycle (MC), even during critical days, if there was unprotected sexual intercourse the day before. Let’s see if you can get pregnant 5 days before menstruation.

Menstrual cycle and pregnancy

Despite the fact that you can get pregnant anytime, the chances of successful conception are very different depending on the phase of the menstrual cycle (MC).

Will the test show 5 days before menstruation

The duration of MC in healthy women of reproductive age can vary from 21 days (short) to 35 (long). As a rule, it is set 1.5-2 years after menarche (first menstruation).

In total there are 4 phases of MZ:

  1. Follicular Under the influence of follicle-stimulating hormone (FSH), produced by the pituitary gland, follicles begin to form in the ovaries. Inside each of them contains an immature egg. Total bubbles per cycle produces about 8, but in the process of growth almost everyone undergoes involutions. As a result, 1 (less frequently – 2) dominant follicle remains. As it grows, the hormone estrogen begins to be produced in large quantities. Its high level, among other things, contributes to the formation of cervical mucus, in which it is easier for sperm to move toward the target.
  2. Ovulatory Under the influence of luteinizing hormone (LH), the follicle bursts and the mature egg penetrates the uterus through the fallopian tube. Ovulation, at 28-day MC, occurs approximately at 14-15 days, that is, in its middle. The egg lives only a few days, and at this time the probability of becoming pregnant is the highest.
  3. Phase yellow body. The corpus luteum is a temporary endocrine gland, which appears in place of a ruptured follicle. Her task is to produce the hormone progesterone. If the egg has not been fertilized, the corpus luteum lasts only a few days, and then undergoes involution and disappears, and with it the production of progesterone decreases.
  4. Menstruation. Due to a decrease in the production of the hormone progesterone, the endometrium (the inner lining of the uterus) begins to actively reject. Bleeding normally lasts from 3 to 6 days.

Based on the above, it seems that everything is extremely simple: count the days of ovulation and you will know exactly when you can get pregnant, and when – no. Unfortunately, not everything is so simple. After all, if this were true, there would not be so many women who did not expect it at all, but received “two stripes”.

The days when conception is impossible with 100% probability simply do not exist, all this is a myth. It is just that on some days the chances of conceiving are quite high, while on others it is very low.

Can I get pregnant 5 days before menstruation?

Approximately 5 days before menstruation, the thickness of the endometrium is 11-12 mm. It is fat and loose, and the hormone progesterone is slowly declining, if the implantation of the egg has not occurred. It would seem that pregnancy on these days, especially with a regular cycle, is absolutely impossible.

However, to the question: Is it possible to get pregnant 5 days before the onset of menstruation, the answer will definitely be “Yes!”, Even though the chances for this are small. Conception may occur due to an additional egg cell that has matured and left through the fallopian tube at the wrong time. And here are the possible reasons for this phenomenon:

  1. A woman lives sexually on a regular basis, but at the same time she constantly uses barrier methods of contraception, that is, she does not allow her partner’s sperm to contact her genitals. And now, she suddenly has open sexual intercourse. The body is keenly aware of the changes and may well react with unplanned ovulation. According to scientists, this is due to the special substances contained in the male seed. However, this theory has not yet been fully studied. The same applies to women who have not had sex for a long time. In addition, it should be borne in mind that sperm live for several days. They need time to get to the fallopian tubes (2-3 days), and in the end they may well have to wait for an egg ready for fertilization.
  2. Repeated ovulation. Almost every healthy representative of the fair sex approximately 1-2 times a year for one MC can mature 2 eggs. Moreover, one will be released into the uterine cavity at the time it is supposed to (in the middle of the cycle), and the second at any time. It is not at all possible that this will happen a few days before menstruation.
  3. Failure of the menstrual cycle. No woman is immune from this, even if she is completely healthy. The most harmless causes of failure are abrupt climate change, stress, or active sports. And so, the monthly shift, and ovulation does not fall on the period when it should have been on the calendar. For example, if the red days came a few days earlier, then it is likely that the next first phase of the cycle (follicular) will be longer than usual, and a mature egg will come out of the broken follicle later.
  4. Discontinuation of combined oral contraceptives. When a woman takes COC, she doesn’t have menstruation at all. Bloody discharge on certain days is the so-called mentally-like withdrawal reaction. An artificial hormonal background is created, and the follicles no longer mature in the ovaries. If you suddenly stop taking hormonal drugs, the sex glands will revive, and will work in a heightened mode for some time. Overactive gonads can easily produce two eggs in one menstrual cycle.

Based on the above, it can be concluded that it is possible to get pregnant before menstruation. The probability of this is quite small and is about 5%. But if you do not plan to become a mother, always use protective equipment or emergency contraception, if unprotected sexual intercourse does occur.

Hello. My husband and I have long wanted a child. I have been measuring the basal temperature for several months, having sex on the days of ovulation. According to the calendar, before the monthly I have 5 days left. Now I have a little pulling back, no more sensations there. Tell me, is it possible to find out if I am pregnant without a pharmacy test? (Ilona, ​​23 years old)

Hello, Ilona. If you measure basal temperature, the figures obtained can tell you if there is a pregnancy. A couple of days before menstrual periods, rectal temperature usually decreases by 0.5 ° C. But if it does not decline, but on the contrary – rises to 37.0-37.2 ° C, this may indicate a successful conception.

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