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Your 1st Week

The 280-day countdown begins here-even though you haven't yet conceived.

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Week

Woman's reproductive organs Muscular wall of uterusThe thick lining of the uterus (endometrium) that builds up during your last menstrual cycle is shed as you have your period.CervixVaginaBladderThe pre-pregnant uterus is about the size of a plum.OvaryFallopian tubeThe ovarian ligament stabilizes the ovary within the abdomen.Each ovary contains eggs at various stages of development.The fallopian tube is the passageway down which a newly released egg travels on its way to the uterus.

It's business as usual for your body this week. You're having a period, so you know you're not pregnant. But if you conceive during this menstrual cycle, the first day of your period will count as the first day of pregnancy. It's a good idea to review your lifestyle and to make sure that you understand how everything works "inside." Knowing the facts may help to raise your chances of conceiving.

excerpted from:

Excerpted from Pregnancy Day by Day.
Copyright © 2008 Dorling Kindersley Limited.
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