Lec 6 ch 6 Flashcards
Around what day does ovulation happen?
14th day of menstrual cycle
What does an enzyme called hyaluronidase do?
Secreted by the sperm, dissolves the zona pellucida, permitting one sperm to penetrate
When is the best time for intercourse to get pregnant?
Ovulation or within 5 days
How to prevent ovulation?
Oral contraceptive pill
How to prevent conception?
-Barrier methods like condoms,male/female sterilisation
How to prevent nidation?
IUD (copper and hormone-containing)
What is the fertilized egg called?
Zygote
When does cell division begin?
About 36 hours after conception
What is the embryonic period?
First 8 weeks of gestation
Another name for the embryo?
Conceptus
From 9 weeks until birth the conceptus is called ___
Fetus
When is the umbilical cord formed?
Around 5th week of embryonic development
What does amniotic fluid do?
Maintains fetus at a constant temperature and cushions it against possible injury
1st trimester of pregnancy?
The small mass of cells implanted in the uterus develops into a fetus
-Development of the head, backbone and nervous system begins to form
-Formation of umbilical cord
-External body parts develop, organs form and begin limited functioning
2nd trimester of pregnancy?
-The woman can feel movement
-The physician can detect the fetal heartbeat by the 18th week
-Fetus sensitive to light and sound
3rd trimester of pregnancy?
The fetus turns in the uterus to assume a head-down position
-Fat deposits form, rapid growth
What is it called when the fetus doesn’t assume a head-down position?
Breech presentation
What is edema?
Water retention and swelling
What is colostrum?
Thin, amber colored liquid secreted by the breasts
What are Braxton-Hicks contractions?
Painless tightening of the uterus in preparation
What is Couvade Syndrome?
Father’s experience of pregnancy symptoms
Ectopic pregnancy?
When the fertalized egg implants somewhere other than the uterus
Pseudodocyesis (false pregnancy)?
The woman believes she is pregnant and shows the signs and symptoms of pregnancy without really being pregnant
Pregnancy-induced hypertension:
Elevated blood pressure
Pregnancy-induced hypertension: Preeclampsia:
Elevated blood pressure accompanied by generalized edema and proteinuria (protein in the urine)
Pregnancy-induced hypertension: Eclampsia:
Elevated blood pressure, convulsions, possible coma and death
What is the most important complication which influences child development?
Preterm delivery
Early 1st stage of labor:
Contractions far apart, effacement and dilation continue
The late first stage of labor?
Contractions more frequent and intense, dilation from 5-8cm
The transition phase of labor?
Contractions very strong, dilation from 8-10cm, increased pain and exhaustion
How long does the 1st stage of labor last?
2 to 24 hours
Second stage of labor?
Cervix is fully dilated, and the baby’s head begins to move into the vagina or birth canal
Second stage of labor?
Cervix
Episiotomy?
An incision made in the perineum (skin just behind vagina), if necessary
How long does the second stage of labor last?
From few minutes to a few hours, generally much shorter than the 1st stage
The third stage of labor?
The placenta detaches from the walls of the uterus and the afterbirth is expelled
How long does the 3rd stage of labor last?
From a few minutes to an hour
