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vibroacoustic stimulation
acoustic stimulator is applied to the mother's abdomen to
produce a sharp sound, thus startling and waking the fetus
ultrasonography
measures the response of sound waves against solid objects.
- The sound waves reacts best if the uterus can be held stable, so
it is helpful if the woman has a full bladder at the time of the
procedure
biophysical profile
combines five variables (fetal movement, tone, breathing
movement, amniotic fluid volume, nonstress test) for a score of
2 for each normal finding.
A score of 2 for each normal finding
Maternal serum alpha-fetoprotein (MSAFP)
a substance produced by the fetal liver that can be found in both
amniotic fluid and maternal serum.
□ If abnormally high, it can mean an open spinal or abdominal
wall defect.
□ If the level is low, then chromosomal defects such as Down's
syndrome (trisomy 21).
□ Traditionally assessed at 15 to 18 weeks
Fetal gender can be determined by
,usually determined by US screening at about four months, it can
be determined as early as seven weeks by analysis of maternal
serum
when is invasive fetal testing used
if a genetic or growth concern is identified by non-invasive
measures, a number of invasive measures allow for a more
refined investigation
- risk of infection
chronic villi sampling- invasive fetal testing
a biopsy and chromosomal analysis of chorionic villi done at 10
to 12 weeks of pregnancy
amniocentesis- invasive fetal testing
- aspiration of amniotic fluid from the pregnant uterus for
examination.
- Typically scheduled between the 14th and 16th weeks of
pregnancy.
- This is to check lung maturity in the fetus. L/S ratio should be
2:1
social- psychological changes of pregnancy
viewed as a healthy span of time, best shared with a supportive
partner and/or family.
- Pregnant clients bring their families for prenatal care visits as
well as to watch the birth.
cultural- psychological changes of pregnancy
,- may strongly influence how active a role they want to take in
their pregnancy
- certain beliefs and taboos can place restrictions on their
behavior and activities
family- psychological changes in pregnancy
The family in which a pregnant person was raised can be
influential to their beliefs about pregnancy because it is part of
the cultural environment
□ If children in their family were loved and their births were
seen as a pleasant outcome, the patient is more likely to have a
positive attitude toward learning they are pregnant
personal influences and individual differences- psychological
changes in pregnancy
a person's ability to cope with or adapt to stress plays a major
role in how they feel about becoming a parent.
□ The extent to which a person feels secure in their relationships
with the people around them, especially their partner or primary
support person, is usually also important to the acceptance of a
pregnancy
first trimester tasks- accepting the pregnancy
□ Partners both spend time recovering from the surprise of
learning they are pregnant and concentrate on what it feels like
to be pregnant.
□ A common reaction is ambivalence, or feeling both pleased
and not pleased about the pregnancy.
second trimester tasks- accepting the fetus
, □ Partners move through emotions such as narcissism and
introversion as they concentrate on what it will feel like to be a
parent.
□ Role-playing and increased dreaming are common.
third trimester tasks- preparing for the baby and end of
pregnancy
□ Partners prepare clothing and sleeping arrangements for the
baby but also grow impatient as they ready themselves for birth
emotional responses with pregnancy
grief, narcissism, introversion or extroversion, body image and
boundary concerns, couvade syndrome, stress, mood swings,
and changes in sexual desire
- all are normal
grief
before a parent can take on a parenting role, they have to give up
or alter their present role as they will never be the same person
they have been in exactly the same way again
narcissism
- Self-centeredness (narcissism) may be an early reaction to
pregnancy.
- A person who previously was barely conscious of their body
suddenly begins to focus on their appearance.
- They may change their activity level, criticize their partner,
and resent casual remarks.
- All these behaviors are ways for them to protect their body and
their baby