Week-by-week

The Development of the Baby Week by Week The Development of the Baby Week by Week The First TrimesterZygote DevelopmentOvualtion to 12 - 24 hours - single sperm penetrates the egg and a joining of gentic information occurs. A single cell is formed, call a zygote...
Maternal Changes Maternal Changes Week 1 -period beginsWeek 2 -uterus has shed its lining through your period-a new bed of blood-rich tissue is delevoping-eggs are ripening in one of the...
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