What to Expect

Jessica Cox 6th Hour

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First Trimester of Pregnacy

The first trimester is the first three months of the pregnacy; this is where a single egg transfers into a fully formed baby. Most of the baby's features, including gender, are determined at the moment of conception. Along with the baby developing, the mother experiences many changes as well, like blood volume increasing by 50%, even before the pregnacy is detectable; and cravings depending on the nutrients the baby needs begin. The first trimester is when miscarriages are most likely, with only 50% of pregnacies lasting. There are many milestones made in the developmental process of the baby in these months, too, including: nerve cells forming (15 days), heart begins to form and beat out of instinct (22 days), growing from microscopic to the size of a kidney bean (4 weeks), growing to an inch long (6 weeks), being classified as a fetus (8 weeks), placenta begining to form and replace the yolk sack feeding the baby (2 months), nervous system developing (at the rate of 2.5 million neurons per minute), fetus begins to move and strengthen arms then legs (11 weeks), organs begin to form as baby enters second trimester (12 weeks).

Second Trimester of Pregnacy

The second trimester spans from the forth to sixth month of the pregnacy, and this is where the mother can have her first ultrasound at 12 weeks, where although the sex can't be determined yet, an accurate due-date can be established, along with some non-definite conclusions about potential disabilities...

Third Trimester of Pregnacy (7-9 months)

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What the Father Can Do to Help