Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
Valsalva's manoeuvre, which is used in lifting heavy loads, can cause decreased oxygen delivery to the placenta and compromise the fetus, as there is a significant diversion of blood from the internal organs to the working muscles, which could reduce the oxygen supply to the fetus.