keyword

last menstrual period

Monthly search volume and cost-per-click data for "last menstrual period" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=last+menstrual+period&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $0.79 | | competition | 0.03 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
calculate due date	450,000	$0.32	18/20
how to predict pregnancy due date	4,400	$1.04	18/20
edd in pregnancy	2,400	$2	20/20
due date by last menstrual period	1,900	$0.52	20/20
due date by lmp	1,900	$0.48	20/20
due date last menstrual period	1,900	$0.48	20/20
due date lmp	1,900	$0.52	20/20
estimated date of delivery	1,900	$0.96	20/20
edc calculator by lmp	1,900	$0.82	19/20
expected delivery date	1,900	$0.96	19/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=last+menstrual+period&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt