Menstrual flow with painful cramps is called: 

• A. Amenorrhexis. 
• B. Menorrhagia. 
• C. Oligomenorrhea. 
• D. Dysmenorrhea. 

Answer: (D)

Verified step by step guidance

1. Step 1: Understand the root terms related to menstruation. 'Meno-' refers to menstruation or the menstrual cycle, and '-rrhea' means flow or discharge.
2. Step 2: Analyze each option by breaking down the medical terms: Amenorrhexis (absence or stopping of menstruation), Menorrhagia (excessive menstrual bleeding), Oligomenorrhea (infrequent menstrual periods), and Dysmenorrhea (painful menstruation or menstrual cramps).
3. Step 3: Identify the key symptom in the question: menstrual flow accompanied by painful cramps. This indicates both bleeding and pain during menstruation.
4. Step 4: Match the symptom to the correct term. Since 'Dysmenorrhea' specifically refers to painful menstruation, it best fits the description of menstrual flow with painful cramps.
5. Step 5: Conclude that the term 'Dysmenorrhea' is the correct medical terminology for menstrual flow with painful cramps.