IAN HOOTON / SCIENCE PHOTO LIBRARY IAN HOOTON / SCIENCE PHOTO LIBRARY
Obstetric examination. Midwife (left) measuring the blood pressure of a pregnant woman with a sphygmomanometer. The blood pressure is displayed on the dial (lower right) in millimetres of mercury (mm/Hg). Regular check-ups are necessary during pregnancy so that the development of the baby and the health of the mother can be monitored. The mother's blood pressure tends to rise during pregnancy, but gradually returns to its previous level after birth. This woman is eight months (32 weeks) pregnant.
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