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Olivia
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Seventh Month of Pregnancy: Entering the Third Trimester

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    Olivia
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    Understanding the Timeline: Obstetric vs. Embryonic Age
    Obstetric Age: Counted from LMP. Used by healthcare providers because the exact date of conception is often unknown.
    Embryonic Age: Starts at fertilization, approximately 2 weeks after LMP.
    Practical tip: When a doctor says “4 weeks pregnant,” conception likely happened only 2 weeks ago.

    What Happens Biologically During Week 1
    Even though conception hasn’t occurred yet, several biological processes are already in motion:

    Menstrual Shedding: The old endometrial lining is expelled, making room for a new one.
    Hormonal Reset:
    Estrogen begins to rise to stimulate follicle development.
    FSH, or Follicle Stimulating Hormone, signals the ovaries to mature follicles.
    Uterine Preparation: The endometrium begins to regenerate under the influence of estrogen, creating a nutrient-rich environment for a potential embryo.
    Egg Maturation: Dozens of follicles start developing, but usually only one dominant follicle will release an egg during ovulation.

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