Valentina Tereshkova was the first woman in space. I have been reading the book called "The Astronaut Wives club". In it, they discuss women flying in space, and mention that Valentina was the first woman in space. They also state her being pregnant. I can't believe that anyone would allow the first woman in space to be pregnant when she launched. I've never heard of this before. Was this actually true, that she was pregnant when she orbited the Earth?
The quote is in chapter 8, as below (Emphasized as included). Note that the preceding sentence mentioned she orbited the Earth 48 times.
... comrade Valentina (Tershokova) was pregnant at the time.