NCLEX PN MATERNITY REVIEW

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Author:
daniellemcqueary
ID:
122424
Filename:
NCLEX PN MATERNITY REVIEW
Updated:
2011-12-10 11:50:03
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NCLEX PN
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NCLEX PN MATERNITY REVIEW
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  1. Maternity Review
    • The menstrual cycle is composed of 4 phases.
    • The normal cycle is 21 to 45 days in length.
    • The 4 phases are:
    • Menstrual: Days 1-5 of cycle.
    • Proliferative (follicular): Day 5-ovulation, FSH is secreted by the ant. pituitary. Preovulatory surge of LH affects one follicle and ovulation occurs.
    • Secretory (luteal): Ovulation to approx. 3 days before menstruation begins. Progesterone levels increase.
    • Ishemic: If fertilization did not occur, the levels of estrogen and progesterone drop off causing menstruation
  2. Maternity Review
    • From ovulation to the beginning of the next menstrual cycle is 14 days. Which means, ovulation occurs 14 days before the next menstrual period.
    • Sperm live approx. 3 days, but some sperm may remain viable for as long as 5 days.
    • Eggs live about 24 hours.
  3. Maternity Review
    Implantation: Fertilization takes place in the ampulla (outer 1/3 portion of the fallopian tube) The zygote takes about 3-4 days to enter the uterus. It takes about 7-10 days to complete the process of nidation
  4. Maternity Review
    • Fetal Development
    • Zygote: 12-14 days after fertilization
    • Embryo: 15-8 weeks after fertilization
    • Fetus: 9 weeks- term (38 weeks)
  5. Maternity Review
    • Pregnancy Length: Counted from the first day of the last mentstrual period. (LMP)
    • 280 Days
    • 40 weeks
    • 10 lunar months
    • 9 calendar months
    • Divided into three 13 week trimesters:
    • 1: LMP to 13.6 weeks
    • 2: 14-26.6 weeks
    • 3: 27-40 weeks

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