Query4All.com
怀孕
Data generated from past analysis.
https://zh.wikipedia.org/zh-hans/%E5%A6%8A%E5%A8%A0
https://zh.wikipedia.org/zh-hans/%E5%A6%8A%E5%A8%A0
https://www.mayoclinic.org/zh-hans/healthy-lifestyle/getting-pregnant/in-depth/symptoms-of-pregnancy/art-20043853
https://www.mayoclinic.org/zh-hans/healthy-lifestyle/pregnancy-week-by-week/in-depth/pregnancy/art-20047208
https://www.hiro-clinic.or.jp/nipt/pregnant-checkpoints/?lang=zh-hans
https://wjw.wuhan.gov.cn/ztzl_28/fyjkkp/ycbj/202110/t20211008_1790807.shtml
https://www.samitivejhospitals.com/zh/article/detail/the-potential-risks-to-a-pregnancy-during-the-first-trimester
http://wjw.jingzhou.gov.cn/ztzl/ysyy/201911/t20191104_171224.shtml
https://saudigerman.com/zh/%E4%BA%86%E8%A7%A3%E6%97%A9%E5%AD%95%E7%97%87%E7%8A%B6/
https://www.bbc.com/ukchina/simp/48268400
https://www.gov.hk/tc/residents/health/sexedu/pregnancy.htm