NURS 321 Maternity Module 2 Exam 2 Study Guide_Winter 2021 | NURS321 Maternity Module 2 Study Guide

NURS 321 Maternity Module 2 Exam 2_Winter 2021 Module 2: Exam 2 Why is Preconception Care so important? Physiologic changes do you think the pregnant woman will experience Conception Stages 1 (WEEK 1-4) Placenta transfers nutrients to baby (WEEK 1-4) End of 1 MO baby is ¼ inch long: Note the heart develops & beats by 4 weeks. (WEEK 5-8) BRAIN GROWS FAST!! & THE NS will continue to grow until the end of the 8th WEEK: The extremities grown all at the same time span. Genitals form & baby is 3cm Wt. 1GRAM (WEEK 9-12) Bones get strong & baby can hold up his/her head: Note by 12 weeks, the kidneys are able to excrete urine & the sex characteristics are recognized IT’S A BOY no IT’AS A GIRL!! (WEEK 13-16) Hair grows & eyes, ankle, neck & wrist are formed; muscle tissue grows, and mom can feel her baby move. Note: By 16 weeks, meconium is in bowel. (WEEK 17-20) baby’s wt. doubles & she starts to stretch, and lungs start to form, and skin is reddened. Note – by 20 weeks the baby moves strong enough for mom to feel it (WEEK 21-24) eyes developed, and blinking occurs: Embryo is 12in. (WEEK 25-28) FETUS is 15 in long & baby reacts to sound and sensory environment (WEEK 29-32) FH SOUNDS AND DAD CAN HEAR BABY WT. IS (WEEK 33-36) Baby is 19 in long & fully developed & acts more like a newborn weighing in at 2-2.3kg: AFTER, 32 WEEKS, THE LUNG SURFACTANT PRESENTS AND THE ALVEOLI FORMS. (WEEK 37-40) Baby moves less and less due to the now cramped tight space; baby head is down to crown. What is LS Ratio? Assess for the fetal lung immaturity The last 10 lunar month or non-calendar months that is equivalent to 40 weeks or 280 days the pre-embryonic. Is day one through 14 this is the time period in which that implantation occurs, and Mom may experience of implantation bleeding which you would see in that process of conception and then at 15 days to 8 weeks are it enters the embryonic state this is the most vulnerable. For malformations to occur related to environmental teratogens and so that includes things such as over the counter medications prescription medications it could be alcohol tobacco products and so this is one reason why the preconception. Is so important because a lot of times moms are not even aware that they are pregnant and they may have alcohol they may engage in smoking cigarettes perhaps marijuana perhaps they might even be taken a prescription medication to manage their hypertension that isn't compatible with the fetus and can cause some malformation also a very important period to make sure that our reproductive moms are as healthy as possible in case they become pregnant to have the best outcomes for the fetus and then the fetal. Is week eight through 40 some of the structures that we want to cover first let's discuss the amniotic fluid some of the functions of the amniotic fluid in pregnancy include that it acts as an excretion and collection system or the fetus and so the urine that the fetus actually produces becomes a part of that amniotic fluid it maintains fluid and electrolyte balance it helps to control the body temperature it allows for freedom of movement in addition is providing cushion to the fetus from trauma and then it acts as a barrier in the prevention of infection and so with that feed is in the amniotic SAC as long as the amniotic SAC has not ruptured then it acts as a barrier for the prevention of infection - - -