नियमित मूत्र गर्भावस्था परीक्षणों (urine pregnancy tests) में मुख्य रूप से किस हार्मोन का पता लगाया जाता है?

Ovulation in females is primarily triggered by a sudden surge of which hormone?

Which hormone is primarily responsible for the milk ejection (let-down) reflex from the mammary glands?