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.
This will differ from pregnancy to pregnancy, but the 'typical' pregnancy's morning sickness period lasts around 6-8 weeks. Sickness will start around week 6 and last until the end of the first trimester: How long does morning sickness last? For those of you experiencing morning sickness, WEBMD Pregnancy: Dealing With Morning Sickness has some good tips to help you manage any morning sickness symptoms you may be feeling!