Answer:
1. Sign warning
2. Sign warning
3. Trigger
4. Trigger
5. Sign warning
6. Trigger
7. Trigger
8. Sign warning
9. Sign warning
10. Trigger
Explanation:
Triggers are something you do inresponse to something that happened or things like that. Sign warning seem to be internal things we do in response to those triggers.
The first trimester is when the embryo attaches to the placenta by the umbilical cord and the placenta make contact with the uterus.