OB Class notes ch 8:9.docx - OB Class Three Chapter eight o...

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OB Class Three 1/22/2019 Chapter eight: o Uterus grows as the baby grows o 20 weeks baby is right at the belly button; 1 cm above umbilicus per week after 20 weeks o If its not at the right measurement we are worried about growth restrictions o If its worrying too big we are worrying about diabetes (macrosomia) o Increased blood flow to the uterus o 1/6 th of the total maternal blood flow goes to the uterus o Blood supply increased by 40-50% in the uterus o Braxton hicks: its painless and false contractions o Cervix develops a mucous plug & when it falls out it does not mean that labor is happening which protects the canal and prevents the bacteria from going up there o Goodel’s sign is softening of the cervix o Bishops score: 8 or better is good; the higher the score the riper the cervix is o Chadwic’s sign is a bluish color discoloration of the cervix indicated pregnancy o Vaginal mucosa thickens and it is more acidic to prevent bacteria but are more likely to get yeast infections o After your water breaks it becomes more alkaline and you can stick a stick in there & if it turns blue the water is broken o Breasts get bigger, sore, breast marks, colostrum may be secreted @ 20 weeks; o Colostrum: has all the antibodies, high health, this is liquid cold; mom may have this but we do not want to stimulate this because it can cause preterm labor o Respiratory: oxygen consumption is increased, breathing changes from abdominal to thoracic, nasal stuffiness, and may have some nose bleeds; resp capacity incased by 30- 40% and 15-20% increase in overall CO2 intake o Blood volume 40-45% increases and so it causes physiologic anemia because your hemoglobin is diluted o
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