Expecting mother
准妈妈

表示祝贺的语句：
Congratulation
祝贺你！
Good going!
做得好！
Good for you!
恭喜你！

想问怀孕多久了，怎么说？
When are you due?=When is your baby due?
你什么时候生啊？
How long have you been pregnant?
你怀孕多久了？
How far along are you?
你怀孕多久了？（不太正式的说法）

看见新生的宝宝，你回说些什么呢？
How much does he/she weigh?
孩子多重？
Was he/she early(late)?
比预产期提前（推迟）了吗？
May I hold him/her?
我可以抱一下吗？

有关due：
Due 一般指某件事情发生的预期或特定的时间。例如学校交报告的时间、图书馆的还书日期、列车的时间或预产期等等。Due date 是到期日，指具体的日期。

Her baby is due in May.
她的预产期是五月。
Payment is due in 2 weeks.
两周后发工资。
Rain is due tonight.
今晚下雨。
The train is due in ten minutes.
火车10分钟后到达。
A: When is the due date?
到期日是哪天？
B：The due date is Friday.
到期日是周五。