/**
 * Compute EDC by AOG
 * @param aog - age of gestation, usually days
 * @param usDate - ultrasound date
 */
export declare function computeEdcByAog(aog: number, usDate: Date): string;
/**
 * Compute EDC by LMP Date
 * @param date - LMP Date
 */
export declare function computeEdcByDate(date: Date): string;
/**
 * Compute AOG by LMP Date
 * @param date - LMP Date
 */
export declare function computeAogByDate(date: Date): string;
/** UTILITIES */
export declare function getDefaultAogWeeks(): string[];
export declare function getDefaultAogDays(): string[];