The estimated due date (EDD or EDC) is the date that spontaneous onset of labor is expected to occur. The due date may be estimated by adding 280 days (9 months and 7 days) to the first day of the last menstrual period (LMP). This is the method used by pregnancy wheels.
A cell nucleus (plural: cell nuclei) is the part of the cell which contains the genetic code, the DNA. The nucleus is small and round, and it works as the cell's control center. It contains chromosomes which house the DNA. The human body contains billions of cells, most of which have a nucleus. All eukaryote organisms have nuclei in their cells, even the many eukaryotes that are single-celled.
nucleus (ËnjuËklÉªÉs) n, pl -clei (-klÉªËaÉª) or -cleuses 1. a central or fundamental part or thing around which others are grouped; core 2. a centre of growth or development; basis; kernel: the nucleus of an idea. 3. (Biology) biology (in the cells of eukaryotes) a large compartment, bounded by a double membrane, that contains the chromosomes and ...