Forty-year-old blood pressure 110 ~ 170mmHg generally can not get pregnant. Forty years old already belongs to the senior maternal, senior maternal itself will have a greater risk, due to the decline in ovarian function hormone levels decline, the quality of eggs will also decline, coupled with the physical quality of the decline, at this time and then pregnant for the heart, cerebrovascular, etc. There is a greater risk, but also increase the chances of fetal aberrations or developmental anomalies. Moreover, if you are already in a state of severe hypertension, pregnancy combined with hypertension is likely to be complicated by eclampsia, jeopardizing the life and health of the pregnant woman and the fetus. In general, it is recommended not to get pregnant again, if you have to get pregnant, you have to control your blood pressure firstly, and do a good pre-pregnancy checkup, and after pregnancy, you have to have regular checkups to control your blood pressure to ensure eugenics.