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You may want to reconsider getting pregnant (or impregnating someone) while in space. Low or zero gravity may impair the development of healthy embryos:
Microgravity apparently tampers with stem cells, which all other cells originate from. Stem cells normally act as a repair system for the body by replenishing its tissues.[...]
After this experiment, the cells showed vast differences on the molecular level, with 64 percent of their proteins differing from those grown under normal gravity. Specifically, these microgravity-exposed cells generated more proteins that degrade bone and fewer proteins with antioxidant effects. Antioxidants protect against reactive oxidants that can damage DNA.
We’ve previously featured the neat videos of astronaut Don Pettit showing how a CD player becomes a gyroscope in space, adding Alka-Seltzer to a spherical drop of water, showing the Aurora Borealis from space, and drinking drops of tea with a pair of chopsticks. In this video, Pettit shows how it’s possible to sip a coffee in zero gravity from a specially-designed lidless cup.
via The Presurfer | Biography of Pettit
NASA International Space Station Science Officer Don Pettit demonstrates how a spinning CD acts as a stabilizing gyroscope in microgravity. When two and three CD players are combined in perpendicular planes, they provide a relatively stable platform.
– via reddit
From the Upcoming 
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Note that the audio has been removed to protect the innocent.
[YouTube]
