SAMUEL ASHFIELD / SCIENCE PHOTO LIBRARY SAMUEL ASHFIELD / SCIENCE PHOTO LIBRARY
Obstetric examination. Midwife measuring the blood pressure of a pregnant woman with a sphygmomanometer. The blood pressure is displayed on the monitor in millimetres of mercury (mmHg). Regular check-ups are necessary during pregnancy so that the development of the baby and the health of the mother can be monitored. A preganant mother's blood pressure tends to rise during pregnancy, but gradually returns to its previous level after birth.
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