The first trimester begins on the first day of the last period and lasts until the end of week 12. During this trimester, the baby grows faster than at any other time. By six weeks, a heartbeat can usually be heard and by the end of week 12 the baby's bones, muscles and all the organs of the body have formed. The following is NOT included in the first trimester: Eyes and brain complete formation. Correct answer: D
It's mite be c or a if not then b definitely
