Pleno E Bloc 9 2009

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    Pleno scenario E

    bloc 9

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    Scenario E

    Mrs. Jasmine, 30 years old, married 5 years,has a child.

    1. Vaginal bleeding

    2. Lower abdominal discomfort

    3. Period delay 4 days

    4. Used COC, has stopped since 6 months

    ago.5. No history of chronic diseases or surgery

    procedure.

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    Vaginal bleeding

    physiologic-clinical approach

    1.Is it a normal or abnormal vaginal

    bleeding?

    2. Origin of blood ?

    3. How much blood loss?

    4. What is/are causes of it ?

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    Mrs. Jasmines case

    1. abnormal, not her usual period.

    2. Origin of bleeding uterus

    (gynecological exam ) type of

    menstrual blood

    3. Blood loss mildphysical exam

    normal, anemic sign (-)

    4. Causes DD

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    Differential diagnosis

    1. Menstrual abnormality

    2. Laceration of internal or external

    genitalia

    3. Tumor of uterus or adnexa

    4. Impending abortion

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    Menstrual cycle

    Normal menstrual cycle

    1. Follicular phase

    final stage of follicular maturationmost variable segment of cycle

    end in ovulation

    in uterus : proliferative phase

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    Menstrual cycle

    2. Luteal phase

    from ovulation to mens

    formation of Corpus Luteumvariation of length ; little 14 days

    primary indicator of luteal function

    increase of progesteronein uterus: secretory phase

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    Hormonal control of menstrual

    cycle

    1. Negative feed back control of tonic mode

    of gonadotropin secretion

    increase estrogen decrease LH, FSH

    2. Positive feed back of phasic mode of

    gonadotropin secretion.

    increase of estrogen

    LH, FSHpreovulatory surge

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    Integration of feed back control

    1. At the end of luteal phaseincrease basal LH, FSHincrease follicle growthincrease estrogen

    2. FSH, LH, estrogenmaturation of follicle estrogenincrease

    3. Estrogenpositive feed back LH, FSH surge4. LH,FSH surgeovulation

    5. Corpus luteum formation ( 1 day after ovulation)increase of progesterone, estrogen

    6. Progesterone blocks positive feed back signal7. Regression of CL ( in absence of fertilization)

    decrease of estrogen and progesterone increaseLH, FSH menstrual flow

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    Whats cause Mrs. Jasmin

    menstrual abnormality?

    She used COC, but has stopped taken it

    since 6 months ago.

    What is COC ( combined oral

    contraceptives) ?

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    Types of COCs

    Monophasic: All 21 active pills contain

    same amount of Estrogen/Progestin (E/P)

    Biphasic: 21 active pills contain 2 different

    E/P combinations (e.g., 10/11)

    Triphasic: 21 active pills contain 3 different

    E/P combinations (e.g., 6/5/10)

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    COCs: Mechanisms of Action

    Suppress ovulation

    Change endometrium making

    implantation less likely

    Thicken cervical mucus

    (preventing sperm

    penetration)

    Reduce sperm transport

    in upper genital tract(fallopian tubes)

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    COCs: Contraceptive Benefits

    Highly effective when taken daily (0.1!51 pregnancies

    per 100 women during the first year of use)

    Effective immediately if started by day 7 of menstrual

    cycle

    Pelvic examination not required to initiate use

    Do not interfere with intercourse

    Few side effects

    Convenient and easy to use Client can stop use

    Can be provided by trained nonmedical staff

    1

    Hatcher et al 1998.

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    COCs: Noncontraceptive

    Benefits Decrease menstrual flow (lighter, shorter

    periods)

    Decrease menstrual cramps

    May improve anemia

    Protect against ovarian and endometrial cancer

    Decrease benign breast disease and ovarian

    cysts Prevent ectopic pregnancy

    Protect against some causes of PID

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    COCs: Menstrual Blood Loss

    and Anemia Decrease menstrual blood loss (20 ml

    versus 35 ml)

    Prevent iron deficiency anemia (50%)

    Improve existing iron deficiency anemia

    Source: Mishell 1982.

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    COCs: Decreased Ovarian

    Cancer Risk 40!80% decrease in risk compared to

    nonusers

    Protection:

    Begins by 1 year of use

    Increases with duration of use

    Persists at least 10!15 years after COCs are

    stopped

    Is biologically possible

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    COCs and Breast Cancer

    There is no overall measurable increase of

    breast cancer risk except possibly among

    younger women.

    Breast cancer at a young age represents a verysmall proportion of all cases and may represent

    acceleration of preexisting breast cancer or

    detection bias.

    COC use may provide protection against

    postmenopausal breast cancer.

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    COCs: Limitations

    User-dependent (require continued motivation and daily

    use)

    Some nausea, dizziness, mild breast tenderness,

    headaches or spotting may occur

    Effectiveness may be lowered when certain drugs are

    taken

    Forgetfulness increases method failure

    Can delay return to fertility

    Rare serious side effects possible

    Resupply must be readily and easily available

    Do not protect against STDs (e.g., HBV, HIV/AIDS)

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    Who Can Use COCs

    Women:

    Of any reproductive age or parity who want

    highly effective protection against

    pregnancy

    Who are breastfeeding (6 months or more

    postpartum)

    Who are postpartum and are notbreastfeeding (begin after third week)

    Who are postabortion (start immediately or

    within 7 days)

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    COCs: Common Side Effects

    Amenorrhea

    High blood pressure

    Nausea/dizziness/vomiting

    Bleeding/spotting

    Acne

    Breast fullness or tenderness (mastalgia)

    Chest pain (especially if it occurs with exercise)

    Depression (mood change or loss of libido)

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    COCs: General Information

    Some nausea, dizziness, mild breast tenderness and

    headaches as well as spotting or light bleeding are

    common during menstrual cycle (usually disappear within

    2 or 3 cycles).

    Certain drugs (rifampin and most anti-epilepsy) may

    reduce effectiveness of COCs. Tell your provider if you

    start any new drugs.

    Use a condom if at risk for STDs (e.g., HBV, HIV/AIDS).

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    COCs: Warning Signs

    Severe chest pain or shortness of breath

    Severe headaches or blurred vision

    Severe leg pain

    Absence of any bleeding or spotting during

    pill-free week (21-day pack) or while taking 7

    inactive pills (28-day pack) may be a sign of

    pregnancy