Impregnated by Aliens

Mary inherited a successful business from her father. It should have been her brother, but she turned out to be the one most like her father, ambitious. She put herself forward as state governor and surprisingly won. All she cared about was adding to the business empire inherited from her father. Her brother did a good job looking after her, managing the campaign and her schedule. He looked after her, ensuring everything in business and politics went smoothly.
She had the ambition, motivation, direction, and he had the contacts to get things done. People liked him and were willing to deal with him. The only thing he couldn't do for her was get her pregnant. Neither could she, but it didn't seem to matter, as she put all her efforts into business and politics. She had the energy to do a good job, and helped a lot of people along the way. When an alien research vessel arrived on earth, there was suddenly more to play for.
The stakes were high and she was determine to win a deal. They didn't seem hungry for profit or even a deal. The didn't seem to appreciate their technology would make profits. The politicians were flummoxed, fighting each other rather than concentrating on what was important. What was important? Mary thought business was most important, but it turned out her whole attitude would change. A sudden change in circumstances, in a physical way, had her hooked on a completely different course of action.