Pregnancy II Flashcards
Miscarriage rates are high during what trimester?
First
What happens during the first trimester?
- Morning sickness, aversion to some foods
- Frequent urination, tiredness, backaches
- Prenatal care is emphasized
The easiest trimester is the
Second trimester
Movement of fetus can be felt by
18 weeks
Tests can be done during which trimester?
Second
Amniocentesis is a test in which
A needle is put into the uterus and sample of amniotic fluid is retrieved
Amniocentesis can be done at
16-20 weeks
Chorionic Villus is a test in which a
Catheter is passed through cervix and sample of placenta taken
Heartburn occurs at the end of pregnancy due to
- Contents of stomach being pushed up the sphincter
- Constipation due to fetus pushing against LI
- A lot more blood due to increased blood supply increasing
Relaxin is a hormone which is released
During the last trimester
What does Relaxin allow for?
The loosening of ligaments in the pelvis
Parturition is the act of
Giving birth to baby
What initiates the act of Labor?
The fetus
Fetus will stimulate the mother, causing upregulation of
Oxytocin receptors in the myometrium
Dilation Stage is initiated by the
Fetus, enlarging the cervix to 10 cm
The longest stage of labor is the
Dilation stage
The Amnion ruptures in the
Dilation stage
The Expulsion Stage is one in which
There is crowning, or the baby’s head distends the vulva
Placental is the last stage in which
Strong contractions continue, causing detachment of the placenta and compression of blood vessels
The afterbirth, or the placenta and membranes, are delivered in the
Placental stage
Milk is produced in the mammary glands towards the
End of pregnancy
What initiates the production of milk within the breasts?
The hormones in the placenta
In order to initiate the production of milk, the hormones in the placenta are signaled by the
Hypothalamus to release prolactin-releasing factors
The Anterior pituitary releases
Prolactin
