If that didn't work after several attempts then IVF might be an option.

BBC: Fertility treatment row

After several attempts, pilot Roger Fischer persuaded Princess to hook up with his glacier "flightseeing" excursion around the majestic Alaska Range--including Mt.

FORBES: Cruise Control

After several attempts, the researchers found a level which "inactivates both viruses and bacteria while leaving sensitive materials such as mammalian cells unharmed".

BBC: Cell infected with HIV

He spent three years in a prisoner of war camp and after several attempts to escape, he finally managed to break out and get to Poland.

BBC: Obituary: Robert Kee

It keeps in frequent contact with any subordinates in its 200-foot range, and if after several attempts it finds one MIA, a warning can be sent in case any of your home guards have walked or fallen asleep.

ENGADGET: Wireless Sensor Tags alert you to movement and temperature changes, fit on your keyring

The 26-year-old has been out since August with a broken leg after several failed attempts at a comeback.

BBC: Kevin Thomson

After several failed attempts to unscrew the bolt on the handrail, the spacewalkers ended up tearing it off with brute force.

BBC: Brute force helps Hubble renewal

Harymurti, the vice-president of the Press Council of Indonesia, described how his country managed, after several unsuccessful attempts, to enact constitutional amendments guaranteeing fundamental democratic principles and in particular freedom of expression and freedom of the press.

UNESCO: Communication and Information

After a tense week or so - it took the Germans several attempts to get sight of the briefcase's contents - photographs of the falsified documents made it to Hitler's desk.

BBC: Operation Mincemeat: How a dead tramp fooled Hitler