By Maria Ward-Brennan There have been several significant changes made to the employment law on Saturday, which employers (and employees) must be aware of to ensure they can navigate them effectively. City lawyers speak to City A.M. to explain what they are, and how they will work. From 6 April, changes include the right to request flexible working from day one of employment, new protections for pregnant employees from redundancy, and new entitlements for carers to take unpaid leave. Lindsey Cartwright, partner atMorton Fraser MacRoberts warned that “it is absolutely key that managers are trai…