With the introduction of newer class drugs, not all typical antipsychotics are used as they once were. Compazine (prochlorperazine), for example, is more often used to treat anxiety or to control severe nausea and vomiting. Side Effects. Side effects can vary based on the drug or combinations of drug used.
Confidence votes 16. pregnancy is dated 40 weeks from the date of your last period. The first day of your last period counted as day one. You usually conceive during the middle of your cycle so when you find out you are pregnant, usually when you miss you next period you are said to be 4 weeks pregnant but the fetus is only actually 2 weeks old. pregnancy is dated 40 weeks from the date of your last period.
Human pregnancy can be divided roughly into three trimesters, each approximately three months long. The first trimester is from the last period to the 13th week, the second trimester is from the 14th to 27th week, and the third trimester is from the 28th week to the 42nd week.ammals during pregnancy can have one or more gestations at the same time (multiple gestations). The time interval of a gestation is called the gestation period. In human obstetrics, gestational age refers to the embryonic or fetal age plus two weeks.