SomeVar is a variable of type Variant. Since a variant can behave like any data type, we can make it look like an array, which is exactly what the ReDim statement does.  After it is executed, SomeVar becomes an array! Of course, we could create a 2 dimensional array with.  ReDim SomeVar(9, 9)
If the egg is not fertilized, hormones stimulate your uterus to shed the lining at the end of your cycle. This shedding is your period. Experiencing a heavy or even a normal period means that you cannot be pregnant, since your uterus has shed its lining instead of maintaining it to sustain a fertilized egg.
You've Had a Miscarriage That You Didn't Know About. If you've recently had sperm anywhere near your vagina, your long, heavy period could be an early miscarriage. Early miscarriages among women who don't know they're pregnant are incredibly common â around 30 percent of all pregnancies end in this kind of miscarriage.