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F26 OB terms
| Term | Definition |
|---|---|
| Amnion | Inner fetal membrane which forms the sac that has the fetus and amniotic fluid |
| Anterpartum/antepartal | Time from conception to onset of labor |
| Breech presentation | Presenting part being either the fetal buttocks or feet |
| Cervix | The neck or lowest part of the uterus, interfaces with the vagina |
| Chorion | The outer fetal membrane closest to the intrauterine wall, surrounds the amnion |
| Conception | aka fertilization, the sperm nucleus enters the nucleus of the ovum |
| Dilation | Expansion of the external os of the cervix from a few millimeters to ten centimeters |
| Dystocia | Difficult or abnormal labor, both fetal and maternal |
| Effacement | Thinning and shortening of the cervix in late pregnancy or labor |
| Engagement | When the greatest diameter of the fetal head passes through the pelvic inlet |
| Episiotomy | Cut of the perineum to ease bith and avoid laceration of the perineum |
| False labor | aka Braxton Hicks contractions, irregular contractions with little to no cervical change |
| Fetus | The child inside uterus from week 9 to birth |
| Fetal Attitude/posture | relationship of the fetal parts to one another |
| Fetal lie | relationship of the long axis of the fetus and long axis of the pregnant individual |
| Fetal position | location of the fetal presenting part and the specific fetal structures in relation to the maternal pelvis |
| Fetal presentation | fetal body part that enters the maternal pelvis first |
| Fundus | upper portion of the uterus between the fallopian tubes |
| Gestation | the period of the intrauterine development from conception ot birth |
| Gestational age | number of complete weeks of fetal development |
| Gravida | a pregnant woman or the number of times she has been pregnant |
| Intrapartum/intrapartal | time period beginning with true labor through delivery of the placenta |
| Involution | the reduction of size of the uterus after childbrith |
| Labor | process by which a fetus is expelled from the maternal uterus |
| Lightening | moving of the fetus and uterus downward into the pelvic cavity |
| Lochia | maternal discharge of blood, mucus and tissue from the uterus after birth |
| Multigravida | woman in 2nd or 3rd+ pregnancy |
| Multipara | woman with 2+ births |
| Nulligravida | woman that has never been pregnant |
| Para | ANY birth after 20 weeks or number of infants born after 20 weeks |
| Postpartum/postpartal | the 6 weeks following childbirth |
| Preterm labor | labor that starts after 20 weeks but before 37 weeks |
| Primigravida | woman pregnant for the 1st time |
| Primipara | woman with one birth after 20 weeks |
| Station | relationship of the presenting fetal part to an imaginary line drawn between the pelvic ischial spines |
| Stillbirth | fetus born dead adter 20 weeks of gestation |
| Term | normal duration of pregnancy (37-42 weeks) |
| Trimester | three months, one third of the gestational time for pregnancy |