1. Introduction
  1.1 Background
  1.2 Research Objectives
  1.3 Significance of the Study

2. Literature Review
  2.1 Hormonal Changes during Pregnancy
      2.1.1 Estrogen and Progesterone
      2.1.2 Human Chorionic Gonadotropin (hCG)
      2.1.3 Relaxin
  2.2 Endocrine System
      2.2.1 Thyroid Function
      2.2.2 Adrenal Gland Function
  2.3 Cardiovascular System
      2.3.1 Blood Volume and Cardiac Output
      2.3.2 Blood Pressure Regulation
  2.4 Musculoskeletal System
      2.4.1 Ligament and Joint Changes
      2.4.2 Postural Changes
  2.5 Mental Health
      2.5.1 Hormonal Influence on Mood and Emotions
      2.5.2 Pregnancy-Related Mental Health Disorders

3. Methodology
  3.1 Study Design
  3.2 Sample Selection
  3.3 Data Collection
  3.4 Data Analysis

4. Results and Discussion
  4.1 Endocrine System Changes during Pregnancy
  4.2 Cardiovascular System Adaptations
  4.3 Musculoskeletal System Modifications
  4.4 Impact of Hormonal Changes on Mental Health

5. Implications and Recommendations
  5.1 Clinical Implications
  5.2 Recommendations for Healthcare Providers
  5.3 Areas for Future Research