Pregnancy stages — division?
First, second, third trimesters.
Second trimester — weeks?
Weeks 14 to 27.
Third trimester — features?
Rapid weight gain, organ maturation.
Fetal development — week 14?
Fetus about 11 inches long.
Fetal development — week 20?
Fetus can hear and swallow.
Fetal development — week 24?
Lungs formed, heartbeat detectable.
Fertilisation — occurs where?
In the fallopian tubes.
Gametes — types?
Sperm and egg.
Placenta — functions?
Nutrient transfer, waste removal, hormone production.
Male hormone cycle — peak?
Testosterone peaks in the morning.
Menstrual cycle — phase?
Menstrual, follicular, ovulation, luteal.
STI — bacterial examples?
Chlamydia, syphilis, gonorrhea.
STI — viral examples?
Genital herpes, HIV.
Braxton Hicks — contractions?
False, irregular contractions.
Pon a prueba tus conocimientos con 7 preguntas sobre Reproductive Development and Pregnancy Essentials.
1. How do the first and second trimesters of pregnancy mainly differ from each other?
2. What is a key physical feature of the fetus around week 14 of development?
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