Yes, she needs an extra NZD$9,000 funds to support her student visa.
Details: https://www.immigration.govt.nz/opsmanual/#43653.htm (See U3.20.35)
怀孕的人一样可以申请新西兰学生签证,通常需要额外的9000纽币用于支付产妇保健服务。具体规定请见如下网址中的U3.20.35条款:
中文翻译:http://www.admission.nz/ym/kmslaw/43653
英文网址:https://www.immigration.govt.nz/opsmanual/#43653.htm