A standard language variety is a variety that's recognized as more correct* and acceptable than other varieties. Standard varieties have the following prototypical properties, though not all of these properties will be shown by all standard varieties, and non-standard varieties may nevertheless have some of them:
All airlines make up their own rules and regulations regarding pregnant women. Some do not restrict travel at all, no matter what stage of pregnancy a women is in, and others start to restrict at 7 months, although the majority restrict around 36 weeks.
At this point there is not real reason to connect miscarriage with flying during the first trimester. While it may be safe to fly during the first trimester, the fact of the matter is that you may not necessarily feel too much like flying. Even if you donât experience morning sickness, for example, you might be particularly prone to motion sickness during the first trimester. If you are going to fly during the first trimester, or at any other point during pregnancy, there are some guidelines you should follow. If you have a high-risk pregnancy, you should not travel much, whether flying or driving.