可以这样说:
Dear XXX,
I'm really sorry if my questions annoyed you in any ways. I don’t have a lot of experience for taking maternity leave since this is my first baby (if so), I really need your help to go thru this process. I appreciate your help and understanding…
如果她还没有回复你的问题, 在此重问一下:
In regarding to my question of…… Thanks again…
如果我是你, 我会把这个邮件同时CC给我的上司和她的上司.但是我不知道你们公司的具体状况,所以也不好建议.但一定要保持理智,BE PROFESSIONAL.象楼上说的,保存好这封邮件,以备将来之需.
GOOD LUCK!