CFS 388 1st Edition Lecture 7Outline of Last Lecture I. Questions for the DayII. OrgasmsIII. Atypical Sexual DesireIV. Midterm ExamOutline of Current Lecture I. ConceptionII. Childbirtha. First Trimesterb. Second Trimesterc. Third TrimesterCurrent LectureI. Conceptiona. When discussing conception, you must be thorough and flexibleb. Remember to view parenthood as an option, not a necessityi. More young people are consciously deciding to postpone/forgo having childrenii. Raising a child to adulthood costs an estimated $350,000c. 1 out of 5 people in US are infertiled. Causes of infertility include:i. Sperm issuesii. Ovulatory failureiii. Tubal damageiv. Endometriosisv. Coital problemsvi. Other/unexplained issues (accounts for 30% of infertility)e. Approximately 20-35% of couples take a year or more to conceivef. Facts about conception:i. The ovum rarely survives longer than 12-24 hoursii. The average woman releases 450 eggs in her lifetimeiii. Sperm live about 24 hours, but some may live for 3 to 5 daysiv. Semen of a single ejaculation contains 300 to 500 million spermv. About 50 sperm will reach egg, but only 1 will penetrate itThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.g. A single act of intercourse at the time of ovulation has a 21% chance of conceptionII. Childbirtha. First Trimester:i. Absence of menstruationii. Fatigue/sleepinessiii. Nausea, with or without vomitingiv. Heartburn, indigestion, flatulence, and bloatingv. Food aversions and cravingsvi. Breast changesvii. Mood swings, irritability, weepinessviii. Misgivings, fear, joy, elationb. Second Trimester:i. More definite fetal activityii. Lower abdominal achesiii. Constipationiv. Headaches, faintness, or dizzinessv. Hearty appetitevi. Mild swelling of ankles and feetvii. Backacheviii. Fewer mood swingsix. Some anxiety about futurec. Third Trimester:i. Strong, frequent fetal activityii. Braxton Hicks contractions1. The uterus hardens briefly, then returns to normal, in preparation for labor2. Also known as false laboriii. Fatigue, extra energy, or alternating periods of eachiv. Appetite changesv. More excitement and anxiety about