Correct

头胎

/ tóu tāi / 
Strokes

Example

As a Noun

firstborn child/baby; firstborn; first baby

1
Tā
她
tóutāi
头胎
shēng
生
le
了
shuāngbāotāi
双胞胎
  
。

She had twins at her first birth.

2
Huái
怀
tóutāi
头胎

be pregnant with her first child