when were pregnancy tests invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were pregnancy tests invented	1.79	0.7	6939	67	34
when	1.2	0.7	7960	86	4
were	0.52	0.1	1063	55	4
pregnancy	0.47	0.6	5553	52	9
tests	0.82	0.9	7804	34	5
invented	1.85	0.7	8550	73	8

Keyword	CPC	PCC	Volume	Score
when were pregnancy tests invented	0.3	0.4	6983	54
when were home pregnancy tests invented	1.36	1	3940	36
before pregnancy tests were invented	1.94	0.6	136	83
when was home pregnancy test invented	0.69	0.3	236	61
when did pregnancy tests come out	1.28	0.8	3291	100
pregnancy tests throughout history	1.5	0.6	8437	81
when did at home pregnancy tests start	0.05	0.8	6142	14
history of home pregnancy tests	1.82	0.3	6629	15
when were home pregnancy test first available	1.86	0.3	5490	34
how long have pregnancy test been around	0.07	0.7	4000	52
pregnancy tests in the 1960s	1.23	0.8	9460	6
timeline of tests during pregnancy	1.69	0.8	7738	15
what's the earliest pregnancy test	1.5	0.6	8104	57
the first home pregnancy test was called	0.71	0.2	1708	90