28. Pregnancy and Human Development

Labor initiation and stages

Labor and Delivery

Stages of labor - physiology

 The stages of labor are dilation, expulsion, and placental. The dilation stage is the longest period, lasting up to 12 hours on average. 

 Which sequence shows the correct order of the stages of labor? 

Parturition - Pregnancy, Hormones, Giving Birth

Obstetrics - Stages of Labour

 Pregnancy refers to the events that occur from the time of fertilization (conception) until the infant is born. Gestation period extends by convention from the last menstrual period until birth. 

 __________ refers to events that occur from the time of fertilization (conception) until the infant is born. 

Reproductive System - Pregnancy & Development

Stages of Labor Nursing OB for Nursing 

 Oxytocin induces and controls labor via a positive feedback mechanism. Oxytocin is produced in the mother’s hypothalamus and is secreted by the posterior pituitary. 

 Which maternally derived hormone induces and controls labor via a positive feedback mechanism? 

 As birth nears, certain fetal cells begin to produce oxytocin, which causes the placenta to release prostaglandins. Both hormones are powerful uterine muscle stimulants that cause contractions to become more frequent and more vigorous. 

 __________ and __________ are both hormones and powerful uterine muscle stimulants that cause contractions to become more frequent and more vigorous. 

Learn the toughest concepts covered in Anatomy & Physiology 1&2 with step-by-step video tutorials and practice problems by world-class tutors



Anatomy & Physiology

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Crash Course Anatomy & Physiology

Osmosis

1. Introduction to A&P

2. Chemistry

3. Cells

4. Tissues

5. Integumentary System

6. Bones + Skeletal Tissues

7. Skeletal System

8. Joints

9. Muscles and Muscle Tissue

10. Muscular System

11. Nervous Tissue

12. Central Nervous System

13. Peripheral Nervous System

14. Autonomic Nervous System

15. Special Senses

16. Endocrine System

17. Blood

18. Cardiovascular System: the Heart

19. Cardiovascular System: Blood Vessels

20. Lymphatic System

21. Immune System

22. Respiratory System

23. Digestive System

24. Nutrition, Metabolism, Energy Balance

25. Urinary System

26. Fluid and Electrolyte Balance, Acid Base Balance

27. Reproductive System

29. Heredity

undefined - Channels

Techniques of ART

Assisted Reproductive Technology

Early Embryogenesis: Cleavage, Blastulation, Gastrulation, and Neurulation

Implantation

Placenta Formation and Functions

Extraembryonic Membranes

Gastrulation

Organogenesis and Roles of the Three Primary Germ Layers

Embryonic Development

Fetal circulation

Fetal period and fetal development

Fetal Development

Sperm capacitation and polyspermy

Fertilization

Functional changes in maternal organs and systems during pregnancy

Maternal metabolism and posture during pregnancy

Effects of Pregnancy on the Mother

Preparation of breasts for lactation

Changes in the Mother and Newborn After Delivery

General Chemistry

Jules

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Jason

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Building Great Presentations

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Habits To Win Every Day

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Leadership Skills For Rising Stars

Listening To Lead

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Lynne Hurdle

Mistakes To Avoid When Resolving Conflict

Michael Veltri

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Mike Vardy

Prioritizing Effectively

Secrets Of Effective Prioritization

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Unleash And Advance Your Creativity

Winning Collaboration: How To Work More Effectively With Different Personalities

Writing Emails People Want To Read

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Eric Zackrison

Nicole Tetreault

Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther 

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

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Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

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Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript