This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
What is the content of ethinyl estradiol in very low dose oral contraceptives? 
Select and explain. 
A. 30 Yg, B. 25 Yg, C. 20 Yg, D. 15 Yg
A: 30 Yg
Answer: A: 30 Yg 
Explanation: <p> Governments of India has made available 2 types of low-dose oral pills under the brand names of MALA-N and MALA-D. It contains ethinyl estradiol 30 micrograms and levonorgestrel 0.15 milligrams. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:500. <\p>