Deadlier Than the Male intrigue when he comes to visit. The title is a reference to the 1911 Rudyard Kipling poem "The Female of the Species," which includes the line, "The female of the species must be deadlier than the male", and also refers to Sapper's earlier Drummond book, "The Female of the Species". The working title of the film was "The Female of the Species". "Deadlier Than the Male", the song featured in the film`s opening credit sequence, was performed by the Walker Brothers. Filmed in Technicolor and Techniscope, portions of the film were shot in Lerici, La Spezia, Liguria, Italy. A sequel,
Female foeticide in India in China and India in 1979, but its expansion was slower in India. Ultrasound sex discernment technologies were first introduced in major cities of India in 1980s, its use expanded in India's urban regions in 1990s, and became widespread in 2000s. Estimates for female foeticide vary by scholar. One group estimates more than 10 million female foetuses may have been illegally aborted in India since 1990s, and 500,000 girls were being lost annually due to female foeticide. MacPherson estimates that 100,000 abortions every year continue to be performed in India solely because the fetus is female. Various theories have been