43 years old is able to get pregnant naturally, but with age, the quality of eggs will decline, the probability of natural pregnancy decreases, and the probability of fetal malformation will increase. Under normal circumstances, the ovary discharged eggs are picked up by the umbrella of the fallopian tube, in the fallopian tube to complete fertilization, and then transported to the uterine cavity to bed, at this time, the natural pregnancy formation. 43-year-old women ovarian function declines, the quality of the eggs also declined, so the ability to get pregnant naturally although there is, but the chances of declining significantly, if the natural pregnancy after the high incidence of fetal malformations. Therefore, if you get pregnant naturally at the age of 43, you need to undergo regular obstetric examinations during pregnancy, and you also need to complete the relevant malformation examination on time, such as fetal ultrasound, fetal chromosome examination, etc., so as to reduce the probability of birth of malformed fetuses.