Pregnancy and childbirth, pregnancy calendar, birth of the child, development of the child, health of children.

Barreness - absence of pregnancy after one year of a regular sexual life without contraception use.

The probability of approach of pregnancy in one menstrualnom a cycle at a healthy married couple makes 25 %. In 3 months pregnancy on the average comes at 57 % of pairs, in 6 months - at 72-75 %, in 1 year - at 85 %. In 25 years frequency of approach of pregnancy for 6 months - 75 %, in 40 years - 22 %.

• Barreness - illness of reproductive system which amazes men and women with almost equal frequency.
• Frequency of a problem - 10-15 % of married couples have barreness.
• 25 % of women can have the period of barreness during the reproductive period (15-44 years).
• 1/3 women are more senior 35 years and 1/2 women is more senior 40 years have problems with pregnancy approach.
• 25 % of fruitless pairs have more than one factor which causes barreness.
• At 35 % of fruitless pairs, infringements in reproductive system of men are either the unique reason or the factor promoting barreness.
• Impassability matochnyh pipes or peritonealnyj the factor are the reason of absence of approach of pregnancy at 40 % of women with barreness.
• Irregular or pathological ovuljatsija (maturing and an exit jajtsekletki from jaichnika) - the factor of barreness at 40 % of women.
• At 35 % of women with barreness to whom carry out a laparoscopy as one of inspection stages, find out an endometriosis.
• At 10 % of married couples after full inspection it is not possible to establish the barreness reason. In this case the diagnosis - inexplicable barreness is made.