निम्नलिखित में से किसे छोड़कर अन्य सभी लोचिया (lochia) के प्रकार हैं?

During active labor, a woman experiences sudden respiratory distress, hypotension, and cyanosis. What is the most likely diagnosis?

A 29-year-old woman presents with primary infertility and regular cycles. Her hysterosalpingography reveals bilateral tubal blockage. Which investigation should be prioritized next for management?