Week 1 Flashcards
what are the effects of ace inhibitors on fetuses?
Renal tubular dysplasia causing renal failure and fetal or neonatal death and intrauterine growth restriction
how does warfarin affect fetuses?
Spontaneous abortion, fetal demise, fetal or newborn hemorrhage, CNS abnormalities
how does the cytomegalovirus affect fetuses?
Hydrocephaly, microcephaly, cerebral calcification, mental retardation, hearing loss
how does herpes varicella affect fetuses?
Hypoplasia of hands and feet, blindness and cataracts, and mental retardation
how does rubella affect fetuses?
Risk of heart defects, deafness or blindness, mental retardation, and fetal demise
how does syphilis affect fetuses?
Risk of skin, bone and teeth defects, and fetal demise
What are the three phases of the ovarian cycle?
follicular ovulatory and luteal phases
what are the three phases of the endometrial cycle?
Proliferative, secretary, and menstrual phases
in which menstrual cycle phase does the luteal hormone and follicle-stimulating hormone increase? What is their function?
To mature the Graafian follicle and produce estrogen; in the follicular phase
which phase does estrogen levels peak?
ovulatory
a surge in what hormone occurs before ovulation and what happens to other hormones?
Luteal hormone surges 12 to 36 hours, and estrogen decreases and progesterone increases
When does the luteal phase begin?
after ovulation, lasting for about 14 days
what happens in the luteal phase?
Empty follicles morph to form the corpus luteum which causes high progesterone and low estrogen to support a pregnancy
when does the proliferative phase begin?
After menstruation ending with ovulation
when does the secretory phase begin and end with?
After ovulation and ends with menstruation
what happens during the secretory phase and what hormone is secreted?
The endometrium thickens and progesterone is secreted from the corpus luteum
what happens to the endometrium if there is a pregnancy?
Why coercion is produced to become an energy source for the blastocyst
in approximately 12 days what forms in the fetus?
Embryonic disc
In fetal development what is created in approximately 20 days?
The head of the embryo
when would you see the head of the embryo, limb buds, and the umbilical cord?
Approximately 4 to 5 weeks
what should the fetal heart tones be in the first trimester?
110-160 bpm
What kind of tissue is the placenta formed from?
fetal and maternal
what are two functions of the placenta?
Metabolic and gas exchange
hormone production
what are hormones produced in the placenta?
Progesterone, estrogen, hCG, hPL