Page 3 â Measuring time in different cultures. Measuring time. Scientifically, the year is a complete cycle of seasons. A year is when the earth completes one full orbit of the sun. Its length is measured from one spring equinox to the next spring equinox. Measuring the time of year was important to most people. Knowing the season was vital when deciding to plant and harvest crops as well as managing livestock in colder climates.
Experts have believed for a long time that pregnancy weakens a womanâs immune system, making her more susceptible to illnesses like the flu. However, research released just before the start of this flu season indicates that, in the case of the flu, the opposite may be true during pregnancy.
Effects of Stress During Pregnancy. Stress can be felt in a complicated pregnancy and even in an uncomplicated one. It is a very common side effect of life. But it can be quite harmful during a womanâs pregnancy hence it is essential that pregnant women reduce their anxiety and stress levels. Stress is known to have many side effects especially during the pregnancy. Studies have indicated that higher levels of stress can cause a personâs heart rate to accelerate, can increase blood pressure levels. Stress during pregnancy effects can be a big contributor to the increased chances of a premature delivery.