How many weeks pregnancy lasts from the moment of conception?

Women who intend to become mothers, have a very responsible attitude to such an important event as the expectation of the birth of the baby. In the early days, watching the behavior of his body, they pay attention to any slightest change in it. Very often, a woman even does not know about the birth of a new life. The main question in the first place exciting moms - how many weeks the pregnancy lasts.

Trimester of pregnancy

The First trimester of pregnancy is considered to be quite dangerous. This is the period of formation of the fruit, when any physical activity can be critical for the expectant mother. Therefore, women usually wonder how many weeks the pregnancy lasts in the first trimester. According to doctors, the duration should not exceed 13 weeks. By the end of the first trimester the fetus is already decorated.

How many weeks the pregnancy lasts into the second trimester? From the 4th to 6th month – the second stage of gestation when the fetus begins to move. The duration of the second trimester-13 weeks, 27 weeks he ends. The second trimester is considered the most peaceful period.

From 28 th week starts the final trimester. Taking into account how many weeks the pregnancy lasts from conception (40), duration of the third trimester should be 13 weeks. At the onset of labor early (37-38 weeks) the duration may be 11 weeks.

The Third trimester is considered the busiest period in pregnancy, so in these terms it is recommended to be under a doctor's care.

First pregnancy

To get Pregnant the first time, the woman often does not realize the seriousness of the event. It is important that it was morally ready to a new state. Many are still very young expectant mothers already expecting your baby, feel him, wanting to take care of the little creature, to protect him.

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How many weeks pregnancy lasts first? Usually a young healthy body that the pregnancy proceeds without problems. The baby is born through the 38-39 weeks. Since it's first conception, it is important that the expectant mother was under constant supervision of a gynecologist.

In Any case it is impossible to interrupt the first pregnancy. This affects the health of women, is fraught with deprivation of the opportunity to have children in the future.

Early pregnancy

There are two pregnancy:

• Count the start of pregnancy from the first day of menstruation, in other words – obstetric reference.
• Counting from the first day of conception – the real period.

Each woman's individual body. Specifically to identify the day when the embryo has taken root, is very difficult, so the gynecologist is conventionally considered the beginning of pregnancy from the first day of menstruation. This day is counted, how many obstetric weeks last pregnancy.

The True time of conception is counted if the fertilized egg reaching the walls of the uterus, freely embedded in it comes the implantation of the embryo. If the process proceeds normally, begins the formation of the embryo.

The First week after conception – a very dangerous phase. A woman's body long accustomed to the embryo, seeing it as a foreign body and trying every possible way to reject him. After the successful consolidation of the egg starts the development of the placenta. From this moment, become pregnant – a true term. In the body of the expectant mother starts the hormonal transformation that is required for the adoption of the embryo.

Signs of pregnancy

There is a category of women quietly carrying the initial weeks (4-8 weeks) of pregnancy, almost no feeling any signs of changes in the body. Have the other half of the process is quite difficult. Often they are difficult to tolerate the entire period regardless of how many weeks the woman's pregnancy lasts from the moment of conception.

The First sign that tells pregnancy in its initial stages – is the delay of menstruation. Basically, the woman finds out about the strange behavior of his body much earlier.

The earliest symptoms

A pregnancy can be known by many signs, which indicates the organism from the very beginning:

• Absence of menstruation.
• The Weakness and slight discomfort in the morning.
• Heaviness and cramps in the abdomen.
• Frequent visits to the toilet (urination).
• Spotting.
• Frequent constipation, gas.
• High sensitivity to various odors.
• Taste changes.
• Mood Changes.
• The changing shape of the Breasts, color and size of nipples.
• High temperature at rest women (basal temperature).

Some of the above symptoms may be during the first conception, but did not manifest itself during subsequent pregnancies.

Duration of pregnancy in weeks

To come to the correct answer, how many weeks in a woman lasts pregnancy, scientists have conducted a number of studies. It is generally believed that pregnancy lasts 9 months. But in fact it continues almost10 months.

Monitor the progress of pregnancy in 120 women showed that only 4% of them became mothers in 9 months period. 60% of women deliver in 10-15 days after that date. To calculate how many weeks pregnancy lasts a person, use the rule Negale, according to which the child is born at the 40th week, respectively, the duration of pregnancy is 280 days from last period.

Even if we take into account women who believe in the day of ovulation, consider it the beginning of conception wrong. The calculations will still conditional, since it is impossible to foresee the speed of sperm, the time of passage of the egg through the tubes of the uterus, the time of its introduction into the uterine wall. Accordingly, to know exactly how many weeks the woman has the pregnancy lasts, it is practically impossible.

The Effect of woman's age on pregnancy

Of Considerable importance to child bearing is a woman's age. The older the woman is, the period of carrying a child for longer. How many weeks from conception lasts pregnancy in women over 35, not only depends on the state of the expectant mother, whose age requires special care.

Interesting fact: the mother, born in the time of excess weight, pregnancy is longer. The calculations showed that every 100 g additional weight at its birth adds to a woman one day pregnant.

20-30 years ago pregnant woman of 30 years called staracademy. Today, the date was extended to 35-40 years. The reasons for this shift are explained by social status, career growth, greater employment. Therefore, pregnancy after 35 years has its advantages and disadvantages.

Negative aspects of late pregnancy

Some doctors insist not to delay the decision to have a child. It has nothing to do with the aim of increasing the birth rate. The fact that there are actually negative aspects in late pregnancy. These include:

1. In women over the age of 35-40 years a rather low percentage probability to become a mother. With age start to fail with the ovaries.
2. Oocytes that fail to be updated in this age, accumulate physical negative expectant mother acquired during life before pregnancy.
3. The long duration of rehabilitation after childbirth.
4. Increases the risk of premature birth.
5. Psychological factors.

The Above is not always manifest in women over the age of 40 years. Healthy female body with no physiological abnormalities, problems with immune system, ready for a serious change, and the expectant mother may be assured the birth of a healthy child. Health depends not on age, but on lifestyle.

The advantages of late pregnancy

Many women are afraid to have a little later than is customary in society. Because they only see the positive side to not to rush this important decision. The advantages of late pregnancy include:

1. Strong financial position. Parents who have decided to have a baby at the age of 35, are predominantly financially secure.
2. Late pregnancy almost always planned. Many years side by side lived the life of a spouse – a big plus for the proper upbringing of the future child.
3. A woman's Body is rejuvenated after childbirth.
4. The Woman who decided to late pregnancy, from psychological point of view on life changes.

What determines the length of gestation?

Factors that affect how many weeks since conception last pregnancy in women:

• The health of the expectant mother. It is also important for the health of the father of the future baby.
• The Mental state of a pregnant woman.
• The Duration of the menstrual cycle.
• The Activity of sperm, their life expectancy after being hit in the vagina.
• The Time in which the egg penetrates the uterine wall.
• Genetics. Medical attention is often concentrated on the relatives if pathology is detected.
• Development of the fetus and internal organs.
• It's pregnancy.

If all these factors comply with the duration of gestation of the baby should be 39-40 weeks. It is so much, how long is pregnancy in weeks of a person based on his physiological features. But do not worry if the pregnancy has exceeded the specified period. The body of each person is individual and should not strictly satisfy someone standards.