Some obstetricians believe that the latest age for a woman to start a family is 35. Because age increases the likelihood of infertility. If a woman gets pregnant too late, she may encounter problems such as infertility and miscarriage. According to statistics, about 10% of married women in their twenties are unable to get pregnant within a year; for women in their early 30s, this figure is 15%; and for women close to 40, this proportion is 28%. Pregnancy becomes more difficult if the husband is over 40, as male fertility begins to decline after age 40. Cesarean section in advanced age