When Nicole hands Watson an ultrasound picture to inform that she is pregnant, the ultrasound picture is of a liver, not a baby.
At the opening, the lab employee says "good morning" while the clock shows 6:10, which is obviously a.m. There is a great deal of daylight when he says this. Later, a fair amount of snow is on the ground and characters' breath is also visible. Clearly, it is winter in New York City, no later than March, likely earlier. NYC does not have nearly that much daylight at 6:10 a.m. during the cold part of the year.