Wasn't there a case when German (?) female athletes were using hormonal boost of the first few weeks of pregnancy as a loophole to dope themselves? The strive

Wasn't there a case when German (?) female athletes were using hormonal boost of the first few weeks of pregnancy as a loophole to dope themselves? The strive and pressure to win at Olympics make people do absolutely crazy shit, so it's reasonable to assume guilty until proven innocent when a blacklisted chemical is detected in a sample.