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.
Heavy vaginal bleeding or bleeding that occurs before 12 weeks may mean a serious problem, including an ectopic pregnancy or miscarriage. Heavy vaginal bleeding or bleeding that occurs after 12 weeks also may mean a serious problem, such as placenta previa. Ovulation can cause mid-cycle bleeding. Polycystic ovary syndrome (PCOS) is a hormone imbalance that interferes with normal ovulation and can cause abnormal bleeding.