Devices descending from K021978

2 later devices reach Petit Sophia through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K102499	Duofertility	Cambridge Temperature Concepts, Ltd.	2011	1	—
+2	K122337	Ovusense	Fertility Focus, Ltd.	2013	0	—