It is relatively late to have a second child at the age of 42, but if a woman at the age of 42 has normal fertility, she can also have a child. Under normal circumstances, women after the age of 35 are of advanced maternal age, and at the age of 42, the physical condition may deteriorate, and the reproductive system will gradually decline, which is not conducive to pregnancy, and the probability of miscarriage after pregnancy is higher than that of young women, so it is considered to be relatively late to give birth to a second child at the age of 42. If a 42-year-old woman has no underlying disease when she undergoes an examination and is in relatively good health and has normal fertility, she can carry out normal preparation for pregnancy and get pregnant. However, during pregnancy, she should strengthen all aspects of care, reasonable diet, reasonable rest, and regularly consult a doctor for pregnancy tests to prevent abnormalities during pregnancy.