| Term 
 
        | When do symptoms of PMS usually begin? |  | Definition 
 
        | 5-11 days before the start of mentruation |  | 
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        | Symptoms of PMS usually stop when what begins? |  | Definition 
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        | what is the cause of PMS? |  | Definition 
 
        | No cause has been identified |  | 
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        | What percentage of women are affected durin their childbearing years? |  | Definition 
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        | Dysmenorrhea may be related to what hormone? |  | Definition 
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        | Primary dysmenorrhea occurs in what type of women? |  | Definition 
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        | primary dysmenorrhea is NOT related to what... |  | Definition 
 
        | specific problems with uterus or other pelvic organs |  | 
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        | Secondary dysmenorrhea is caused by an underlying disease or structural abnormality either ______ or _____ uterus |  | Definition 
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        | What is genetic sex determined by ______ ______ each gamete contains |  | Definition 
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        | A single gene on the Y chromosome named the ______ gene starts teste development and determines maleness |  | Definition 
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        | What enlarges to form the penis? |  | Definition 
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        | The urethral groove ______ and closes competely |  | Definition 
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        | What gives rise to the penile urethra? |  | Definition 
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        | What develops into the scrotum? |  | Definition 
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        | In females Genital tubercle gives rise to... |  | Definition 
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        | The urethral groove in females remains.. |  | Definition 
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        | In females, urethral folds give rise to |  | Definition 
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        | The labioscrotal becomes.. |  | Definition 
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        | About two months before birth the testes leave the ______ _____ and enter the scrotum |  | Definition 
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        | Fibrous cord that extends from the _____ to the _____ |  | Definition 
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        | Ovaries also do descend but are stopped at the pelvic brim by... |  | Definition 
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        | Secondary characteristics appear during... |  | Definition 
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        | List some example of secondary charateristics for males and females |  | Definition 
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        | Term 
 
        | What two things cease entirely when you get to menopause? |  | Definition 
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        | Term 
 
        | Without ______ reproductive organs and breasts atrophy |  | Definition 
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        | Term 
 
        | Describes what occurs in women when they go through menopause |  | Definition 
 
        | Gradual thinning of the skin, bone loss, skin blood vessels go through vasodialtion,irritabilty and depression |  | 
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        | Term 
 | Definition 
 
        | events that occur from fertilization until the infant |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | from the last menstral period until birth |  | 
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        | Term 
 | Definition 
 
        | fertilization to 2nd week |  | 
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 | Definition 
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        | Term 
 | Definition 
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        | How long is oocyte viable for? |  | Definition 
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        | Term 
 
        | How long is sperm viable for? |  | Definition 
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        | Term 
 
        | For fertilization to occur , you must have sex no more than |  | Definition 
 
        | three days before ovulation and 24 after |  | 
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        | Term 
 
        | Sperm must undergo what before they can penetrate oocyte |  | Definition 
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        | Term 
 
        | What two things is an ovulated oocyte encapuslated by? |  | Definition 
 
        | corona radiata and the zona pellucida and extracellular matrix |  | 
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        | Sperm bind to what on the oocyte? |  | Definition 
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        | Acrosomes release their enzymes to... |  | Definition 
 
        | digest the zona pellucida |  | 
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        | Upon entry of the sperm what is finally completed? |  | Definition 
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        | When fully swollen, the nuclei of the sperm and oocyte are called |  | Definition 
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        | Term 
 
        | When the pronuclei come together what occurs? |  | Definition 
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        | Term 
 
        | Morula is how old and has roughly how many cells? |  | Definition 
 
        | 72 hours and has 16 cells |  | 
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        | Term 
 
        | What does a blastocyte composed of? |  | Definition 
 
        | single layer made of trophblast and inner cell mass |  | 
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        | What does trophoblast in the blastocyte take part in? |  | Definition 
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        | The inner cell mass in the blastocyte eventually becomes the ______ ______ |  | Definition 
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        | Term 
 
        | What begins after 6-7 days after ovulation? |  | Definition 
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        | Term 
 
        | implantation begins when the trophoblasts adhere to a ____ ______ ______ |  | Definition 
 
        | properly prepared endometrium |  | 
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        | Term 
 
        | After the trophoblasts adhere to the endometrium they form 2 distinct layers which are |  | Definition 
 
        | cytotrophoblast and syncytiotrophoblast |  | 
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        | Term 
 
        | The implanted blastocyte is covered by ___ ___ |  | Definition 
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        | Implantation is complete by the __ day |  | Definition 
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        | The trophoblasts secrete ___ |  | Definition 
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        | Term 
 | Definition 
 
        | Makes sure that corpus luteum continues to secrete progesterone and estrogen |  | 
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        | Chorion developed from what after implantation? |  | Definition 
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        | Chorion is much like the hCg and continues _____ _____ |  | Definition 
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        | What two tissue form the placenta? |  | Definition 
 
        | embryonic trophoblastic and maternal endometrial tissues |  | 
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        | Term 
 
        | Embryonic placental barriers include what two things? |  | Definition 
 
        | chorionic villi and the endothelium of embryonic capillaries |  | 
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        | Term 
 | Definition 
 
        | the vagina develops a purplish hue (Chadwicks sign), breast enlarge areola darkens, uterus expands |  | 
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        | Term 
 
        | Effects of pregnancy part two |  | Definition 
 
        | lordosis is a curve in lumbar spine due to chnage of body center of gravity |  | 
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        | Relaxin does what when it comes to pregnancy |  | Definition 
 
        | relaxes pubic symphisis and pelvis ligaments |  | 
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        | Term 
 
        | Embryonic membranes: Yolk sac forms part of what |  | Definition 
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        | Embryonic membranes: Yolk sac produces what two things? |  | Definition 
 
        | earliest blood cells and vessels |  | 
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        | Embryonic membranes: Yolk sac is the source of primordial ____ ____ |  | Definition 
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        | Embryonic membranes: alatois is a.. |  | Definition 
 
        | small outpocketing at the caudal end of the yolk sac |  | 
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        | Term 
 
        | What is the structural base for the umbilical cord? |  | Definition 
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        | Term 
 
        | The allantois becomes part of the ____ ___ |  | Definition 
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