Of course you can. That means you skipped your period for almost two months, you can almost certainly be pregnant.
Yes.
No
Yes. They may get pregnant as long as they get periods and ovulation. At times you get advanced pregnancy in post forty years patients.
Yes.
A period of forty years is called a quadragennial.
Advent
No. It can take less than one.
When one is forty weeks pregnant, the baby is basically done developing and is ready to be part of the world. The baby's internal organs should be working as well. One will experience increased pains due to pressure when one is forty weeks pregnant.
Forty in Hebrew is pronounced ארבעים - Arbaa'im. Forty has some significance in the Torah. For example, The Flood was forty days and forty nights. Moshe (Moses) was up on Har Sinai (Mt. Sinai) for forty days and forty nights. Tradition has it that a baby is not physically male or female until forty days after the women became pregnant.
This could be either * one thousand, one hundred and forty or * eleven hundred and forty
Physically, most likely.
You shouldn't. If the pregnancy is healthy, let labor come on its own.