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Science (ACT®)

Dec 9, 2025

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Introduction to Organizational Behavior - Lecture 1 Notes

Alaysia Ware @laysiaare_lrykzxgvja

Pregnancy brings a cascade of physical changes, marked by specific signs that develop over time. Understanding these indicators... Show more

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Chp.11
signs and symptoms
Presumptive signs that mother reports.
- most obvious sign is absence of menorrhea
- least reliable indicto

Pregnancy Signs and Symptoms

Pregnancy indicators fall into three main categories presumptive signs (reported by the mother), probable signs (observed by healthcare workers), and positive signs (definitive confirmation). While a missed period is often the first clue, it's actually considered the least reliable indicator.

Presumptive signs appear early and include amenorrhea (missed period) at 4 weeks, breast tenderness at 3-4 weeks, frequent urination at 6-12 weeks, and morning sickness between 4-14 weeks. Later presumptive signs include fatigue (12 weeks), fetal movement or "quickening" $16-20 weeks$ , and skin hyperpigmentation (16 weeks).

Probable signs are more reliable and include positive pregnancy tests $4-12 weeks$ , Goodell's sign (cervical softening at 5 weeks), Chadwick's sign $bluish coloration of vaginal tissues at 6-8 weeks$ , and Braxton Hicks contractions $16-28 weeks$ . Healthcare providers might also notice Hegar's sign (soft lower uterine segment) between 6-12 weeks.

💡 Remember This The timeline of pregnancy signs follows a pattern—early signs focus on maternal changes (missed period, nausea), while later signs reveal the baby's presence (movement, heartbeat, visible outline).

Positive signs provide definitive proof of pregnancy and include fetal heartbeat detected by Doppler (12 weeks), fetal movement felt by the healthcare provider (20 weeks), ultrasound confirmation $as early as 4-5 weeks$ , and of course, the ultimate confirmation—delivery of the baby. As pregnancy progresses toward term, "lightening" occurs when the baby drops into the pelvis.

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Subjects

Science (ACT®)

•

Dec 9, 2025

•

1 page

Introduction to Organizational Behavior - Lecture 1 Notes

Alaysia Ware

@laysiaare_lrykzxgvja

Pregnancy brings a cascade of physical changes, marked by specific signs that develop over time. Understanding these indicators helps track fetal development and confirms a healthy pregnancy. This summary outlines the key signs and symptoms healthcare providers use to assess... Show more

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Pregnancy Signs and Symptoms

Pregnancy indicators fall into three main categories: presumptive signs (reported by the mother), probable signs (observed by healthcare workers), and positive signs (definitive confirmation). While a missed period is often the first clue, it's actually considered the least reliable indicator.

Presumptive signs appear early and include: amenorrhea (missed period) at 4 weeks, breast tenderness at 3-4 weeks, frequent urination at 6-12 weeks, and morning sickness between 4-14 weeks. Later presumptive signs include fatigue (12 weeks), fetal movement or "quickening" $16-20 weeks$ , and skin hyperpigmentation (16 weeks).

Probable signs are more reliable and include: positive pregnancy tests $4-12 weeks$ , Goodell's sign (cervical softening at 5 weeks), Chadwick's sign $bluish coloration of vaginal tissues at 6-8 weeks$ , and Braxton Hicks contractions $16-28 weeks$ . Healthcare providers might also notice Hegar's sign (soft lower uterine segment) between 6-12 weeks.

💡 Remember This: The timeline of pregnancy signs follows a pattern—early signs focus on maternal changes (missed period, nausea), while later signs reveal the baby's presence (movement, heartbeat, visible outline).

Positive signs provide definitive proof of pregnancy and include: fetal heartbeat detected by Doppler (12 weeks), fetal movement felt by the healthcare provider (20 weeks), ultrasound confirmation $as early as 4-5 weeks$ , and of course, the ultimate confirmation—delivery of the baby. As pregnancy progresses toward term, "lightening" occurs when the baby drops into the pelvis.