她的症状是由她的怀孕引起的。

Her symptoms were caused by her ___pregnancy.

进一步怀孕风险的降低，加上工作报酬较少，使这些女性对雇主来说似乎更有吸引力。

The reduced risk of further ___pregnancies in conjunction with less remuneration for their work makes these women seem more attractive to employers.

怀孕期间定期检查很重要。

Regular check-ups are important during ___pregnancy.