109 pregnancy Flashcards
any interruption of pregnancy before a fetus is viable
abortion
viable fetus
more than 20 to 24 weeks of gestation or one that weighs atleast 500 g
early miscarriage
before 16 week of pregnancy
late miscarriage
before 16 week and 24 week of pregnancy
developing placenta is tentatively attached to the decidua of the uterus
first 6 weeks of pregnancy
developing placenta is moderately attached
week 6 to 12
attachment is penetrating and deep
after 12 week
the stage of attachment that can lead to the most severe,even life threatening bleeding
between 6 and 13 week
most frequent cause of miscarriage in first trimester of pregnancy is
abnormal fetal development
due to teratogenic factor or chromosomal aberration
may be cause but ore strongly associated with pre term birth
urinary tract infection
systemic infections
rubella
syphilis
poliomyelitis
cytomegalovirus
toxoplasmosis
presenting symptoms of spontaneous miscarriage is almost always
vaginal spotting
symptoms of threatened abortion
vaginal bleeding( only scant/bright red)
slight crampling
no cervical dilation
key intervention in threatened abortion
avoidance of strenuous activity for 24 to 48 hours
the entire products of conception (fetus,membranes and placenta) are expelled spontaneously without any assistance
complete miscarriage
part of conceptus (usually fetus) is expelled,but the membranes or placenta are retained in uterus
Incomplete miscarriage
danger of maternal hemorrhage
Incomplete miscarriage
(D&C or suction curettage)
referred as early pregnancy failure,fetus dies in utero but is not expelled
missed miscarriage
usually discovered at prenatal examination when fundal height is measured and no increase in size
missed miscarriage
If the pregnancy is over 14 weeks in length and therefore these procedures are no longer possible, labor can be induced by a blank introduced into the cervix to cause dilation,
prostaglandin suppository or misoprostol (Cytotec)
missed miscarriage
followed by oxytocin stimulation or administration of
mifepristone (cause contractions and birth)
implantation occurred outside the uterine cavity
ectopic pregnancy
most common site of ectopic pregnancy
fallopian tube
80%- ampulla
12%- isthmus
8%- interstitial or fimbrial
implantation site
extrauterine
tubal
ovarian
abdominal