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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Gestational period |
The time the developing fetus spends in the uterus Average 40 weeks but shortening |
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First trimester |
Weeks 1-12, most critical for fetal development |
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Second trimester |
Weeks 13-27 |
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Third trimester |
Weeks 28-40 |
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Preterm |
A baby born before 37 weeks |
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Post term |
A baby born after 42 weeks |
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Fraternal |
This is the twins that come from two eggs and two sperm |
Dizygotic, may be different sex, and more common |
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Maternal |
Twins that come from one egg by one sperm that splits into two zygotes |
Less common and always the same sex. Monozygotic |
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Twins |
This occurence is 1 in 90 |
Dizygotic being most common |
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Triplets |
This occurrence is 1 in 7,000 |
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Quadruplets |
This occurrence is 1 in 660,000 |
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Fun fact |
Cardiovascular system changes: 25-50% increase in cardiac output 45-50% increase in blood volume Risk of anemia Blood pressure drops at first but then rises around 22 weeks Blood flow swells in extremities Varicose veins resulting in hemorroids |
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Fun fact |
Integumentary changes: Chloasma- freckles on skin, forehead, or cheeks due to hormones Increased pigmentation on breasts or genesis Linea nigra- a hyperpigmented line on the abdomen Increased hair and fingernail growth. |
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Pre-labor |
In this stage urination is prominent, due to "lightening" |
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First stage |
During this stage of labor contractions are painful, less than 10 minutes apart, and last 30-90 secs. The amniotic sac ruptures. |
Lasts an average of 12 hours Ends when the cervix is dilated 10cm |
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Second stage |
In this stage the infant moves through the birth canal, body and head rotation become evident. |
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Third stage |
Uterine contractions continue to return to normal position Placenta is delivered 5-30 minutes after the baby Breastfeeding may occur Abdominal massaging may happen to encourage contractions |
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