Table 1 clinical characteristics of women at booking, undergoing an invasive test and after an anomaly scan.

From: The effect of stress and anxiety associated with maternal prenatal diagnosis on feto-maternal attachment

	Booking Group (Q1) n = 200	Invasive Test Group (Q2) n = 14	Anomaly Scan Group (Q3) n = 81
Maternal age (years)	30.4 (5.1)	36.7 (5.8)	30.0 (5.5)
Gestation (weeks)	12 [8-18]	13.5 [11-21]	20 [18-27]
Gravidity	1 [1-7]	1.5 [1-6)	1 [0-7]
Parity	0 [0-5]	0 [0-5]	0 [0-4]
Ethnicity: White British	81.5%	78.6%	77.8%
Education: Further	76.0%	71.4%	80.2%
Marital Status: Married	60.0%	14.3%	66.7%
Employed: Yes	78.5%	71.4%	76.5%

Data are shown as mean (SD) or median [range].

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