Military Assistance Command, Vietnam. This was the official name of the US advisory element that existed throughout the war. A soldier was either assigned to a US combat unit or he was assigned to MACV and then sent to a South Vietnamese Army unit as an advisor.
How common is morning sickness? During early pregnancy, nausea, vomiting and tiredness are common symptoms. Around half of all pregnant women experience vomiting, and more than 80% of women (80 out of 100) experience nausea in the first 12 weeks.
Around half of all pregnant women experience nausea and vomiting, and around 3 in 10 women experience nausea without vomiting. For most women who have morning sickness, the symptoms start around six weeks after their last period. Read more about coping with nausea and morning sickness in pregnancy. If you're being sick all the time and can't keep anything down, contact your GP. The pregnancy condition hyperemesis gravidarum (HG) is a serious condition that causes severe vomiting and needs treatment.