| Term 
 
        | -% lost in week 1 -% lost in week 2
 -% of zygotes to survive to live birth
 |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | changes in womens cervix when pregnant, cervix looks puffy and purple looking-lots of blood in area |  | 
        |  | 
        
        | Term 
 
        | over --- american girls get pregnant before age --- |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | -40% of premature babies -babies 10 times more likely to grow up in poverty
 -under age 20 or over age 35, mothers and babies have more issues
 |  | 
        |  | 
        
        | Term 
 
        | causes of premature births |  | Definition 
 
        | -40% unknown -infection: causes stress on mothers system
 -maternal or fetal stress
 -bleeding
 -over stretching of uterus
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -partial abruption -infection of membranes
 -fetal death
 -moms health
 -overdue
 -intrauterine growth restriction
 -premature rupture of membranes
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -previos cesarean -bad position of baby
 -multiples
 -placenta previa
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | placenta at bottom of uterus-placenta coming first before baby |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -hormone in IV -ripen cervix: chemical by cervix
 -rupture membranes
 -strip membranes: doctor swipes finger along cervix
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -30% -7X more likely for more to die in childbirth
 -recovery time takes longer
 |  | 
        |  | 
        
        | Term 
 
        | preparation for c-section |  | Definition 
 
        | -shave -iv
 -catheter
 -to operating room
 -anestetic
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -incision-across abdomen -pressure
 -whole just big enough for hand
 |  | 
        |  | 
        
        | Term 
 
        | mothers average about --- children |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | enhancement of womens health and well-being prior to conception in order to ensure healthy pregnancy and baby |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | organism in early stage of dvelopment: last from second to eighth week of pregnancy |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | intermost membrane of sac enclosing embryo or fetus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | human organism developed in uterus from 9th week to birth |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | egg implanted itself outside of uterine cavity, usually in fallopian tube |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | labor that occurs after the 20th week but before 37th week |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | combines breathing ans pychological techniques to get through labor |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | -effacement (thinning) and dialation (opening up)--ends when women is fully dialated -baby moves into birth canal and out of mothers body
 -uterus contracts after birth--placenta seperates from uterine wall
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | surgical procedure--infant delivered through an incision made in abdominal wall |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | failure to conceive after one year of unprotected sex--affects 1/7 couples |  | 
        |  | 
        
        | Term 
 
        | day 1 of last menstrual period |  | Definition 
 
        | when we begin counting to determine due date |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | sperm fertilizes egg in fallopian tube and becomes a 1 cell zygote, zygote starts to divide as moves through tube |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | next 10-30 days crutial in development of nervous and circulatory systems |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | ultrasound can detect fetal heartbeat |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | embryo's outer genitalia still sexless |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | outer genetalia of fetus now shows sex characteristics |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | end of first trimester, morning sickness gone, risk of miscarriage greatly reduced after this week |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | average stage when most mothers can feel first movement--called quickening |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | fetus could possibly survive if born now |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | end of second trimester--braxton hicks contractions common from now on |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | fetus typically settles into mothers pelvis--lightening |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  |